diff --git a/src/common.h b/src/common.h
index f8eff598ce..bce6455ab2 100644
--- a/src/common.h
+++ b/src/common.h
@@ -47,6 +47,12 @@
 #  define SO_SUFFIX ".so"
 #endif
 
+#ifdef __APPLE__
+#  define FORCE_ALIGN __attribute__((force_align_arg_pointer))
+#else
+#  define FORCE_ALIGN
+#endif
+
 #define NO_RETURN __attribute__((noreturn))
 
 #define LIKELY(v) __builtin_expect((v) != 0, true)
diff --git a/src/compiler.cpp b/src/compiler.cpp
index a5ff0b6c11..3db65b440e 100644
--- a/src/compiler.cpp
+++ b/src/compiler.cpp
@@ -42,13 +42,13 @@ class CodePromise;
 class MyPromise;
 class RegisterReference;
 
-int64_t
+int64_t FORCE_ALIGN
 divideLong(int64_t a, int64_t b)
 {
   return a / b;
 }
 
-int64_t
+int64_t FORCE_ALIGN
 moduloLong(int64_t a, int64_t b)
 {
   return a % b;