diff --git a/ncdu/Dockerfile b/ncdu/Dockerfile
index 18b892f..f41138d 100644
--- a/ncdu/Dockerfile
+++ b/ncdu/Dockerfile
@@ -29,4 +29,4 @@ ENV NCDU_PATH /
 EXPOSE 7681
 
 # Start gotty and run ncdu with the specified path
-CMD ["gotty", "-p", "7681", "-w", "ncdu", "$NCDU_PATH"]
+CMD gotty -p 7681 -w ncdu $NCDU_PATH