diff --git a/Dockerfile b/Dockerfile
index 36ca793..b4798b9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,4 +22,4 @@ RUN mkdir -p /app/config
 
 EXPOSE 3000
 
-CMD ["sh", "-c", "node ./scripts/start.js start --key ${NSECBUNKER_KEY}"]
+CMD sh -c "node ./scripts/start.js start --key $NSECBUNKER_KEY"