diff --git a/pyproject.toml b/pyproject.toml
index 751c3ddc6..53c4ea62b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -418,7 +418,7 @@ conflicts = [
     ],
     [
         { extra = "wallx" },
-        { extra = "multi_task_dit" },
+        { extra = "multi-task-dit" },
     ],
     [
         { extra = "wallx" },