diff --git a/src/twomartens/masterthesis/main.py b/src/twomartens/masterthesis/main.py
index 0804c79..8d1ec06 100644
--- a/src/twomartens/masterthesis/main.py
+++ b/src/twomartens/masterthesis/main.py
@@ -62,7 +62,7 @@ def main() -> None:
         cli.test(args)
     elif args.action == "prepare":
         cli.prepare(args)
-    elif args.actions == "visualise":
+    elif args.action == "visualise":
         cli.visualise(args)