diff --git a/action.sh b/action.sh
index eedabc8..d1f296d 100755
--- a/action.sh
+++ b/action.sh
@@ -5,10 +5,10 @@ echo $CURRENT_VERSION
 PREVIOUS_VERSIONS=$(git tag -l)
 echo $PREVIOUS_VERSIONS
 
-if [ -z "$PREVIOUS_VERSIONS" ] || [[ $PREVIOUS_VERSIONS =~ (^|[[:space:]])$CURRENT_VERSION($|[[:space:]]) ]]
+if [[ $PREVIOUS_VERSIONS != *$CURRENT_VERSION* ]];
 then
-  echo "Tag for version $(CURRENT_VERSION) not found. Creating tag..."
-  git tag -a -m "Version $(CURRENT_VERSION)" $CURRENT_VERSION
+  echo "Tag for version $CURRENT_VERSION not found. Creating tag..."
+  git tag -a -m "Version $CURRENT_VERSION" $CURRENT_VERSION
   git push --follow-tags
   echo "Tag created."
 fi
\ No newline at end of file