1 files changed, 5 insertions, 2 deletions
diff --git a/src/zexy.h b/src/zexy.h
index f34e8a7..757ca42 100644
--- a/src/zexy.h
+++ b/src/zexy.h
@@ -55,8 +55,11 @@
 #endif
 
 #ifdef __APPLE__
-# define sqrtf sqrt
-#endif
+# include <AvailabilityMacros.h>
+# if defined (MAC_OS_X_VERSION_10_3) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3
+#  define sqrtf sqrt
+# endif /* OSX-10.3 */
+#endif /* APPLE */
 
 typedef struct _mypdlist
 {