diff --git a/src/arm/sysv.S b/src/arm/sysv.S
index 90643185..dc5fe365 100644
--- a/src/arm/sysv.S
+++ b/src/arm/sysv.S
@@ -34,6 +34,12 @@
 #define CONCAT1(a, b) CONCAT2(a, b)
 #define CONCAT2(a, b) a ## b
 
+/* Use the SOFTFP return value ABI on Mac OS X, as per the iOS ABI
+   Function Call Guide */
+#ifdef __APPLE__
+#define __SOFTFP__
+#endif
+
 /* Use the right prefix for global labels.  */
 #define CNAME(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
 #else