diff --git a/recipes/muscle/meta.yaml b/recipes/muscle/meta.yaml
index 8ca40c06189462..16e21de4c8ff2d 100644
--- a/recipes/muscle/meta.yaml
+++ b/recipes/muscle/meta.yaml
@@ -8,9 +8,11 @@ package:
 source:
   url: https://github.com/rcedgar/muscle/archive/refs/tags/{{ version }}.tar.gz
   sha256: 2bba8b06e3ccabf6465fa26f459763b2029d7e7b9596881063e3aaba60d9e87d
+  patches:
+    - support-linux-aarch64.patch
 
 build:
-  number: 4
+  number: 0
   run_exports:
     - {{ pin_subpackage(name, max_pin="x.x") }}
 
diff --git a/recipes/muscle/support-linux-aarch64.patch b/recipes/muscle/support-linux-aarch64.patch
new file mode 100644
index 00000000000000..1f90f485ff5124
--- /dev/null
+++ b/recipes/muscle/support-linux-aarch64.patch
@@ -0,0 +1,13 @@
+diff --git i/src/myutils.h w/src/myutils.h
+index 49d28ef..8e8167e 100644
+--- i/src/myutils.h
++++ w/src/myutils.h
+@@ -11,7 +11,7 @@
+ #define TRACK_ALLOC            0
+ #define ALLOC_TOTALS   0
+ 
+-#if defined(__x86_64__) || defined(_M_X64) || defined(__arm64__)
++#if defined(__x86_64__) || defined(_M_X64) || defined(__arm64__) || defined(__aarch64__)
+ #define        BITS                    64
+ #else
+ #define        BITS                    32