diff --git a/OpenSim/Auxiliary/catch.hpp b/OpenSim/Auxiliary/catch.hpp
index f64422ae18..926c1e9f8b 100644
--- a/OpenSim/Auxiliary/catch.hpp
+++ b/OpenSim/Auxiliary/catch.hpp
@@ -7910,7 +7910,11 @@ namespace Catch {
 
 #ifdef CATCH_PLATFORM_MAC
 
-    #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #if defined(__i386__) || defined(__x86_64__)
+        #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #elif defined(__aarch64__)
+        #define CATCH_TRAP()  __asm__(".inst 0xd4200000")
+    #endif
 
 #elif defined(CATCH_PLATFORM_IPHONE)
 
diff --git a/Vendors/tropter/external/catch/catch.hpp b/Vendors/tropter/external/catch/catch.hpp
index 1850fff125..fcbb086f43 100644
--- a/Vendors/tropter/external/catch/catch.hpp
+++ b/Vendors/tropter/external/catch/catch.hpp
@@ -6011,7 +6011,11 @@ namespace Catch {
 
 #ifdef CATCH_PLATFORM_MAC
 
-    #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #if defined(__i386__) || defined(__x86_64__)
+        #define CATCH_TRAP() __asm__("int $3\n" : : ) /* NOLINT */
+    #elif defined(__aarch64__)
+        #define CATCH_TRAP()  __asm__(".inst 0xd4200000")
+    #endif
 
 #elif defined(CATCH_PLATFORM_LINUX)
     // If we can use inline assembler, do it because this allows us to break