diff --git a/images/Dockerfile b/images/Dockerfile
index c32b773c..e83a7975 100644
--- a/images/Dockerfile
+++ b/images/Dockerfile
@@ -5,6 +5,5 @@ RUN make
 
 FROM busybox
 COPY images/udhcpc.sh /usr/share/udhcpc/default.script
-RUN chmod +x /usr/share/udhcpc/default.script
 COPY --from=build /opt/app-root/src/bin/gvforwarder .
 ENTRYPOINT ["/gvforwarder"]
diff --git a/images/udhcpc.sh b/images/udhcpc.sh
old mode 100644
new mode 100755