diff --git a/action.yml b/action.yml
index 4eff7c1..5958847 100644
--- a/action.yml
+++ b/action.yml
@@ -51,8 +51,20 @@ runs:
     - name: Generate folder array
       id: folder-array
       run: |
-        myArray=(${{ inputs.ontology-folders }})
-        echo "folders=${myArray[*]}" >> $GITHUB_OUTPUT
+        folders=(${{ inputs.ontology-folders }})
+        extensions=("/*.owl", "/*.rdf", "/*.ttl", "/*.nt", "/*.n3", "/*.jsonld")
+        output=""
+
+
+        for folder in ${folders[@]}; do
+            for extension in "${fileExtensions[@]}"; do
+                output+=" $folder$extension"
+            done
+        done
+
+        output="${output# }"
+
+        echo "folders=${output}" >> $GITHUB_OUTPUT
       shell: bash
 
     - name: Get changed files
@@ -62,7 +74,7 @@ runs:
         files_separator: ' '
         files_ignore_separator: ' '
         files: |
-          ${{ join(steps.folder-array.outputs.folders, '/*.owl ') }}${{ inputs.ontology-files }}
+          ${{ steps.folder-array.outputs.folders }} ${{ inputs.ontology-files }}
         files_ignore: |
           ${{ inputs.ignore-files }}