diff --git a/Makefile b/Makefile
index c7cf5663e..f198fd088 100644
--- a/Makefile
+++ b/Makefile
@@ -30,6 +30,7 @@ include $(TOP)/configure/RULES_TOP
 
 UNINSTALL_DIRS += $(INSTALL_LOCATION)/src
 copysrc:
+	rm -rf $(INSTALL_LOCATION)/src
 	tar cf - --exclude=CVS --exclude=O.* src | tar xf - -C $(INSTALL_LOCATION)
 
 tar: install copysrc