diff --git a/util/secscan/__init__.py b/util/secscan/__init__.py
index 92a41da08..738b1f57a 100644
--- a/util/secscan/__init__.py
+++ b/util/secscan/__init__.py
@@ -97,8 +97,13 @@ PRIORITY_LEVELS = {
 
 
 def get_priority_for_index(index):
- for priority in PRIORITY_LEVELS:
-   if PRIORITY_LEVELS[priority]['index'] == index:
-     return priority
+  try:
+    int_index = int(index)
+  except ValueError:
+    return 'Unknown'
 
- return 'Unknown'
\ No newline at end of file
+  for priority in PRIORITY_LEVELS:
+    if PRIORITY_LEVELS[priority]['index'] == int_index:
+      return priority
+
+  return 'Unknown'