diff --git a/src/Makefile b/src/Makefile
index 1e727c8..189f6c6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -19,7 +19,7 @@ $(INSTALL_PREFIX)/bin/msspec: msspec.sh.template VERSION
 	@mkdir -p $(dir $@)
 	@cat $< | sed -e 's/__VERSION__/$(VERSION)/' -e 's#__VENV_PATH__#$(VENV_PATH)#' > $@
 	#@cat $< | sed 's/__VERSION__/$(VERSION)/' > $@
-	@chmod u+x $@
+	@chmod 755 $@
 
 
 pybinding: