diff --git a/tools/generate-json.py b/tools/generate-json.py
index fc71d9d..54dad07 100644
--- a/tools/generate-json.py
+++ b/tools/generate-json.py
@@ -41,18 +41,20 @@ def iter_addons(addons_dir: str) -> (str, str):
     """
 
     for item in os.scandir(addons_dir):
-        if item.name[0] == '.':
+        if item.name.startswith('.'):
             continue
 
+        base, ext = os.path.splitext(item.name)
+
         if item.is_dir():
             fname = os.path.join(item.path, '__init__.py')
             if not os.path.exists(fname):
                 log.info('Skipping %s, it does not seem to be a Python package', item.path)
                 continue
 
-            yield (item.name, fname)
+            yield (base, fname)
         else:
-            yield (item.name, item.path)
+            yield (base, item.path)
 
 
 def parse_blinfo(addon_fname: str) -> dict: