diff --git a/demo/Makefile b/demo/Makefile
index cce68b2..e9c2d4c 100644
--- a/demo/Makefile
+++ b/demo/Makefile
@@ -11,7 +11,7 @@ ifdef LIBVER_SUPPORT
 		LIB += -ldl -lver
 	endif
 
-	FLAG        += -D_LIBVER_SUPPORT
+	FLAG        += -D_LIBVER_SUPPORT -rdynamic
 endif
 
 all: demo0 libdemo0_s.a libdemo0_d.so