diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 111f44266..a77075ee6 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -35,7 +35,7 @@ on:
         description: "The branch of this adapter repository to use"
         type: string
         required: false
-        default: main
+        default: "main"
       dbt_adapters_branch:
         description: "The branch of dbt-adapters to use"
         type: string