diff --git a/scarrs/Upgrade-Sonarr.sh b/scarrs/Upgrade-Sonarr.sh
index 0d2810e..f34575b 100644
--- a/scarrs/Upgrade-Sonarr.sh
+++ b/scarrs/Upgrade-Sonarr.sh
@@ -56,9 +56,9 @@ StartNewcontainer () {
 }
 
 main () {
-newver=$(GetNewVer)
-OldContainer=$(GetOldVer $system)
-newcontainer=$(CreateContainer $newver $system)
+newver="$(GetNewVer)"
+OldContainer="$(GetOldVer $system)"
+newcontainer="$(CreateContainer $newver $system)"
 RemoveOldContainer $OldContainer
 StartNewcontainer $newcontainer
 }