diff --git a/setup.py b/setup.py
index a26ff354e..e810a30a7 100755
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@ def check_version_info() -> None:
     else:
         is_ok = sys.version_info > q
     if not is_ok:
-        exit(f'calibre requires Python {minver}. Current Python version: {".".join(map(str, sys.version_info[:3]))}')
+        exit(f'kitty requires Python {minver}. Current Python version: {".".join(map(str, sys.version_info[:3]))}')
 
 
 check_version_info()