diff --git a/dockcheck_function.sh b/dockcheck_function.sh
index 14ea661..2ebfaa0 100644
--- a/dockcheck_function.sh
+++ b/dockcheck_function.sh
@@ -9,9 +9,9 @@ dockcheck () {
     echo "No container name given, here's the list of currently running containers:" 
     docker ps --format '{{.Names}}'
   else
-    RepoUrl=$(docker inspect $1 --format='{{.Config.Image}}')
-    LocalHash=$(docker image inspect $RepoUrl --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
-    RegHash=$(regctl image digest --list $RepoUrl)
+    RepoUrl=$(docker inspect "$1" --format='{{.Config.Image}}')
+    LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}' | sed -e 's/.*sha256/sha256/' -e 's/\]$//')
+    RegHash=$(regctl image digest --list "$RepoUrl")
     if [[ "$LocalHash" != "$RegHash" ]] ; then printf "Updates available.\n" ; else printf "Already latest.\n" ; fi
   fi
 }