1 files changed, 4 insertions, 0 deletions
diff --git a/sources/shiboken2/shibokenmodule/support/signature/lib/enum_sig.py b/sources/shiboken2/shibokenmodule/support/signature/lib/enum_sig.py
index f79f3266a..013ec36cc 100644
--- a/sources/shiboken2/shibokenmodule/support/signature/lib/enum_sig.py
+++ b/sources/shiboken2/shibokenmodule/support/signature/lib/enum_sig.py
@@ -81,6 +81,10 @@ class ExactEnumerator(object):
             return ret
 
     def klass(self, class_name, klass):
+        if not "Shiboken" in repr(klass.mro()):
+            # don't look into any foreign classes!
+            ret = self.result_type()
+            return ret
         bases_list = []
         for base in klass.__bases__:
             name = base.__name__