diff --git a/poky/scripts/lib/checklayer/__init__.py b/poky/scripts/lib/checklayer/__init__.py
index 2618416..7788041 100644
--- a/poky/scripts/lib/checklayer/__init__.py
+++ b/poky/scripts/lib/checklayer/__init__.py
@@ -167,6 +167,10 @@
             # multiple errors at once
             if ret is not None and layer_depend not in ret:
                 ret.append(layer_depend)
+            else:
+                # we might have processed this dependency already, in which case
+                # we should not do it again (avoid recursive loop)
+                continue
 
             # Recursively process...
             if 'collections' not in layer_depend: