diff --git a/enumflags_derive/src/lib.rs b/enumflags_derive/src/lib.rs
index 30c86a1..938a08c 100644
--- a/enumflags_derive/src/lib.rs
+++ b/enumflags_derive/src/lib.rs
@@ -151,13 +151,18 @@ fn inferred_value(type_name: &Ident, previous_variants: &[Ident], repr: &Ident)
 }
 
 fn infer_values(flags: &mut [Flag], type_name: &Ident, repr: &Ident) {
-    let mut previous_variants: Vec<Ident> = flags.iter()
+    let mut previous_variants: Vec<Ident> = flags
+        .iter()
         .filter(|flag| !flag.value.is_inferred())
-        .map(|flag| flag.name.clone()).collect();
+        .map(|flag| flag.name.clone())
+        .collect();
 
     for flag in flags {
         if let FlagValue::Inferred(ref mut variant) = flag.value {
-            variant.discriminant = Some((<Token![=]>::default(), inferred_value(type_name, &previous_variants, repr)));
+            variant.discriminant = Some((
+                <Token![=]>::default(),
+                inferred_value(type_name, &previous_variants, repr),
+            ));
             previous_variants.push(flag.name.clone());
         }
     }