diff --git a/gemfeed.py b/gemfeed.py
index 04b9217..39dd8ad 100644
--- a/gemfeed.py
+++ b/gemfeed.py
@@ -14,15 +14,14 @@ def is_world_readable(filename):
 
 def get_feed_title():
     default = "Just another Gemini feed"
-    for extension in ("gmi", "gem", "gemini"):
-        filename = "index.{}".format(extension)
-        if os.path.exists(filename) and is_world_readable(filename):
-            return extract_first_heading(filename, default)
+    for index_file in ("index.gmi", "index.gemini"):
+        if os.path.exists(index_file) and is_world_readable(index_file):
+            return extract_first_heading(index_file, default)
     return default
 
 def find_files(n=10):
     files = []
-    for extension in ("gmi", "gem", "gemini"):
+    for extension in ("gmi", "gemini"):
         files.extend(glob.glob("*.{}".format(extension)))
         index = "index.{}".format(extension)
         if index in files: