1 files changed, 1 insertions, 1 deletions
diff --git a/Tools/clinic/clinic.py b/Tools/clinic/clinic.py
index 733a83e..7525c1c 100755
--- a/Tools/clinic/clinic.py
+++ b/Tools/clinic/clinic.py
@@ -4472,7 +4472,7 @@ class DSLParser:
         if cls:
             fail("Can't nest a module inside a class!")
 
-        if name in module.classes:
+        if name in module.modules:
             fail("Already defined module " + repr(name) + "!")
 
         m = Module(name, module)