diff --git a/src/bindgen/ir/ty.rs b/src/bindgen/ir/ty.rs
index e111559d..4a41d4cf 100644
--- a/src/bindgen/ir/ty.rs
+++ b/src/bindgen/ir/ty.rs
@@ -417,7 +417,7 @@ impl Type {
             }
             syn::Type::BareFn(ref function) => {
                 let mut wildcard_counter = 0;
-                let args = function.inputs.iter().try_skip_map(|x| {
+                let mut args = function.inputs.iter().try_skip_map(|x| {
                     Type::load(&x.ty).map(|opt_ty| {
                         opt_ty.map(|ty| {
                             (
@@ -438,6 +438,9 @@ impl Type {
                         })
                     })
                 })?;
+                if function.variadic.is_some() {
+                    args.push((None, Type::Primitive(super::PrimitiveType::VaList)))
+                }
                 let (ret, never_return) = Type::load_from_output(&function.output)?;
                 Type::FuncPtr {
                     ret: Box::new(ret),
diff --git a/tests/expectations/va_list.c b/tests/expectations/va_list.c
index 996a9b0d..fb5d8b42 100644
--- a/tests/expectations/va_list.c
+++ b/tests/expectations/va_list.c
@@ -5,23 +5,19 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 typedef struct {
   int32_t (*fn1)(int32_t count, ...);
 } Interface_______i32_______i32_______va_list;
 
-typedef struct {
-  int32_t (*fn1)(int32_t count);
-} Interface_______i32_______i32;
-
 int32_t va_list_test(int32_t count, ...);
 
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      Interface_______i32_______i32_______va_list fn5,
-                     Interface_______i32_______i32 fn6);
+                     Interface_______i32_______i32_______va_list fn6);
diff --git a/tests/expectations/va_list.compat.c b/tests/expectations/va_list.compat.c
index 051cded7..d9b9518e 100644
--- a/tests/expectations/va_list.compat.c
+++ b/tests/expectations/va_list.compat.c
@@ -5,16 +5,12 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 typedef struct {
   int32_t (*fn1)(int32_t count, ...);
 } Interface_______i32_______i32_______va_list;
 
-typedef struct {
-  int32_t (*fn1)(int32_t count);
-} Interface_______i32_______i32;
-
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
@@ -24,11 +20,11 @@ int32_t va_list_test(int32_t count, ...);
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      Interface_______i32_______i32_______va_list fn5,
-                     Interface_______i32_______i32 fn6);
+                     Interface_______i32_______i32_______va_list fn6);
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/tests/expectations/va_list.cpp b/tests/expectations/va_list.cpp
index ff6eac66..86e0d99a 100644
--- a/tests/expectations/va_list.cpp
+++ b/tests/expectations/va_list.cpp
@@ -6,7 +6,7 @@
 
 using VaListFnPtr = int32_t(*)(int32_t count, ...);
 
-using VaListFnPtr2 = int32_t(*)(int32_t count);
+using VaListFnPtr2 = int32_t(*)(int32_t count, ...);
 
 template<typename T>
 struct Interface {
@@ -20,10 +20,10 @@ int32_t va_list_test(int32_t count, ...);
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      Interface<int32_t(*)(int32_t count, ...)> fn5,
-                     Interface<int32_t(*)(int32_t count)> fn6);
+                     Interface<int32_t(*)(int32_t count, ...)> fn6);
 
 }  // extern "C"
diff --git a/tests/expectations/va_list.pyx b/tests/expectations/va_list.pyx
index 5b954841..c0c297c2 100644
--- a/tests/expectations/va_list.pyx
+++ b/tests/expectations/va_list.pyx
@@ -8,21 +8,18 @@ cdef extern from *:
 
   ctypedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-  ctypedef int32_t (*VaListFnPtr2)(int32_t count);
+  ctypedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
   ctypedef struct Interface_______i32_______i32_______va_list:
     int32_t (*fn1)(int32_t count, ...);
 
-  ctypedef struct Interface_______i32_______i32:
-    int32_t (*fn1)(int32_t count);
-
   int32_t va_list_test(int32_t count, ...);
 
   int32_t va_list_test2(int32_t count, ...);
 
   void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                       int32_t (*fn2)(int32_t count),
+                       int32_t (*fn2)(int32_t count, ...),
                        VaListFnPtr fn3,
                        VaListFnPtr2 fn4,
                        Interface_______i32_______i32_______va_list fn5,
-                       Interface_______i32_______i32 fn6);
+                       Interface_______i32_______i32_______va_list fn6);
diff --git a/tests/expectations/va_list_both.c b/tests/expectations/va_list_both.c
index 6247f51c..a403a5c7 100644
--- a/tests/expectations/va_list_both.c
+++ b/tests/expectations/va_list_both.c
@@ -5,23 +5,19 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 typedef struct Interface_______i32_______i32_______va_list {
   int32_t (*fn1)(int32_t count, ...);
 } Interface_______i32_______i32_______va_list;
 
-typedef struct Interface_______i32_______i32 {
-  int32_t (*fn1)(int32_t count);
-} Interface_______i32_______i32;
-
 int32_t va_list_test(int32_t count, ...);
 
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      struct Interface_______i32_______i32_______va_list fn5,
-                     struct Interface_______i32_______i32 fn6);
+                     struct Interface_______i32_______i32_______va_list fn6);
diff --git a/tests/expectations/va_list_both.compat.c b/tests/expectations/va_list_both.compat.c
index cb125089..8c1f898f 100644
--- a/tests/expectations/va_list_both.compat.c
+++ b/tests/expectations/va_list_both.compat.c
@@ -5,16 +5,12 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 typedef struct Interface_______i32_______i32_______va_list {
   int32_t (*fn1)(int32_t count, ...);
 } Interface_______i32_______i32_______va_list;
 
-typedef struct Interface_______i32_______i32 {
-  int32_t (*fn1)(int32_t count);
-} Interface_______i32_______i32;
-
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
@@ -24,11 +20,11 @@ int32_t va_list_test(int32_t count, ...);
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      struct Interface_______i32_______i32_______va_list fn5,
-                     struct Interface_______i32_______i32 fn6);
+                     struct Interface_______i32_______i32_______va_list fn6);
 
 #ifdef __cplusplus
 }  // extern "C"
diff --git a/tests/expectations/va_list_tag.c b/tests/expectations/va_list_tag.c
index 3ff119ff..fd488287 100644
--- a/tests/expectations/va_list_tag.c
+++ b/tests/expectations/va_list_tag.c
@@ -5,23 +5,19 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 struct Interface_______i32_______i32_______va_list {
   int32_t (*fn1)(int32_t count, ...);
 };
 
-struct Interface_______i32_______i32 {
-  int32_t (*fn1)(int32_t count);
-};
-
 int32_t va_list_test(int32_t count, ...);
 
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      struct Interface_______i32_______i32_______va_list fn5,
-                     struct Interface_______i32_______i32 fn6);
+                     struct Interface_______i32_______i32_______va_list fn6);
diff --git a/tests/expectations/va_list_tag.compat.c b/tests/expectations/va_list_tag.compat.c
index 3f8b6b85..2853bfa0 100644
--- a/tests/expectations/va_list_tag.compat.c
+++ b/tests/expectations/va_list_tag.compat.c
@@ -5,16 +5,12 @@
 
 typedef int32_t (*VaListFnPtr)(int32_t count, ...);
 
-typedef int32_t (*VaListFnPtr2)(int32_t count);
+typedef int32_t (*VaListFnPtr2)(int32_t count, ...);
 
 struct Interface_______i32_______i32_______va_list {
   int32_t (*fn1)(int32_t count, ...);
 };
 
-struct Interface_______i32_______i32 {
-  int32_t (*fn1)(int32_t count);
-};
-
 #ifdef __cplusplus
 extern "C" {
 #endif // __cplusplus
@@ -24,11 +20,11 @@ int32_t va_list_test(int32_t count, ...);
 int32_t va_list_test2(int32_t count, ...);
 
 void va_list_fn_ptrs(int32_t (*fn1)(int32_t count, ...),
-                     int32_t (*fn2)(int32_t count),
+                     int32_t (*fn2)(int32_t count, ...),
                      VaListFnPtr fn3,
                      VaListFnPtr2 fn4,
                      struct Interface_______i32_______i32_______va_list fn5,
-                     struct Interface_______i32_______i32 fn6);
+                     struct Interface_______i32_______i32_______va_list fn6);
 
 #ifdef __cplusplus
 }  // extern "C"