diff --git a/Dockerfile b/Dockerfile
index 4b7f09a..ebf488d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ RUN apk --no-cache add \
         bash \
         tzdata && \
     # Install S6-Overlay, enable execution of Wings
-    chmod u+x /usr/bin/wings && \
+    chmod u+x /usr/bin/wings /etc/s6-overlay/scripts/container-prep && \
     tar -C / -Jxpf /tmp/s6-overlay-x86_64.tar.xz && \
     tar -C / -Jxpf /tmp/s6-overlay-noarch.tar.xz && \
     # Container cleanup