diff --git a/Dockerfile b/Dockerfile
index 229d788..bb5d419 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,7 +18,7 @@ VOLUME ["/config", \
   "/dir1", "/dir2", "/dir3", "/dir4", "/dir5", "/dir6", "/dir7", "/dir8", "/dir9", "/dir10", \
   "/dir11", "/dir12", "/dir13", "/dir14", "/dir15", "/dir16", "/dir17", "/dir18", "/dir19", "/dir20"]
 
-ENV UGIDS 0:0
+ENV UGID 0:0
 ENV UMAP ""
 ENV GMAP ""
 
@@ -38,4 +38,4 @@ RUN chmod a+x /files/monitor.sh
 ADD runas.sh /files/runas.sh
 RUN chmod +x /files/runas.sh
 
-CMD /files/runas.sh "$UMAP" "$GMAP" "$UGIDS" /files/start.sh
+CMD /files/runas.sh "$UMAP" "$GMAP" "$UGID" /files/start.sh