diff --git a/Make/makedefs b/Make/makedefs
index ac4ed8e8a..195b363d6 100644
--- a/Make/makedefs
+++ b/Make/makedefs
@@ -391,7 +391,7 @@ ifeq ($(OS),Darwin)
   OPTF              = -O2
   DBGF              = -g -DOSG_COMPILE_UNIT_TESTS
   DEPARG            = -M $(DEF)
-  SHARED            = -shared
+  SHARED            = -dynamic
   ARCH              =
   ARCHINST          = 
   ARCHARGS          =