diff --git a/volatility/framework/automagic/nlpdtbfinder.py b/volatility/framework/automagic/nlpdtbfinder.py
index 13d49e8f6..abec2b38a 100644
--- a/volatility/framework/automagic/nlpdtbfinder.py
+++ b/volatility/framework/automagic/nlpdtbfinder.py
@@ -117,6 +117,8 @@ class NlpDtbScanner(interfaces.layers.ScannerInterface):
             supervisor_count = 0
 
             entry_num = 0
+            if len(validity_tests[self._layer_class]) < 1:
+                raise StopIteration
             validity_mask, validity_success = validity_tests[self._layer_class][0]
             for entry in entries:
                 if (entry & validity_mask) == validity_success: