1 files changed, 1 insertions, 1 deletions

diff --git a/mangle.h b/mangle.h
index 0e37c88d7b..05e579fb08 100644
--- a/mangle.h
+++ b/mangle.h
@@ -31,7 +31,7 @@
 #define attribute_used
 #endif
 
-#if _WIN32
+#if defined(_WIN32) || defined(__DARWIN)
 #define EXTERN_PREFIX "_"
 #else
 #define EXTERN_PREFIX ""