diff --git a/flit.py b/flit.py
index e180794..8ce51e2 100755
--- a/flit.py
+++ b/flit.py
@@ -160,8 +160,10 @@ def random_name():
         existing_numbers = [
             tryint(num[0:3]) for num in existing_names if tryint(num[0:3]) != None
         ]
-
-        index = max(existing_numbers) + 1
+        if len(existing_numbers) == 0:
+            index = 0
+        else:
+            index = max(existing_numbers) + 1
         if index > 999:
             for index in range(1000):
                 if not index in existing_numbers: