diff --git a/groupmerge.sh b/groupmerge.sh
index 371be34..6a71ed2 100755
--- a/groupmerge.sh
+++ b/groupmerge.sh
@@ -25,7 +25,7 @@ cat $2 | while read grp; do
 	  ngid=$(($dgid + 2000))
 	  echo $name:$pass:$ngid:$rest
 		if [[ -e /.dockerenv ]]; then
-			find / -group $dgid -mount -exec chgrp ngid {} \;
+			find / -group $dgid -mount -exec chgrp $ngid {} \;
 		fi
 	fi
 done