diff --git a/.github/scripts/watch.sh b/.github/scripts/watch.sh
index dbae8e651..96078b7cb 100755
--- a/.github/scripts/watch.sh
+++ b/.github/scripts/watch.sh
@@ -14,14 +14,14 @@ file_contains(){
     # Check if $WATCHER_CONTAINS contains the string "null" and is therefore empty or not set
     if [[ $WATCHER_CONTAINS == "null" ]]; then
       echo "No contain set"
-        ERROR_FOUND=1
+      printf -v "$ERROR_FOUND" '1'
     fi
     # Check if $WATCHER_CONTAINS contains the string $WATCHER_CONTAINS and if not call the Slack webhook
     if [[ $FILE_CONTENT == *"$WATCHER_CONTAINS"* ]]; then
       echo "String found!"
     else
       echo "String not found! Please check $WATCHER_URL"
-      ERROR_FOUND=1
+      printf -v "$ERROR_FOUND" '1'
       #curl -X POST -H 'Content-type: application/json' --data '{"text":"String not found - not nice!"}' $SLACK_WEBHOOK
     fi
 }