diff --git a/.github/workflows/python_checks.yml b/.github/workflows/python_checks.yml
index a0f3e14..0f5bf21 100644
--- a/.github/workflows/python_checks.yml
+++ b/.github/workflows/python_checks.yml
@@ -86,6 +86,7 @@ on:
       pylint-disable:
         description: The pylint messages/categories to disable
         required: false
+        type: string
         default: "R"
       pylint_exitcheck:
         description: The combined results code to fail on