diff --git a/src/caosadvancedtools/utils.py b/src/caosadvancedtools/utils.py
index 91143871c0617021feec79c8419fcaeae04da127..ef902b9ac941afefde3b7cafe6dcf83ad14dea00 100644
--- a/src/caosadvancedtools/utils.py
+++ b/src/caosadvancedtools/utils.py
@@ -80,12 +80,13 @@ def find_file_included_by(glob):
     Returns a container.
     """
 
-    query_string = "FIND file which is stored at {}".format(glob)
+    query_string = "FIND file which is stored at '{}'".format(glob)
 
     try:
         return db.execute_query(query_string)
     except Exception as e:
         print(e)
+
         return []