diff --git a/action/diff/action.yml b/action/diff/action.yml
index f8214439..141072b8 100644
--- a/action/diff/action.yml
+++ b/action/diff/action.yml
@@ -46,7 +46,7 @@ inputs:
 outputs:
   diff:
     description: Output of the diff command or empty if there is no diff
-    value: ${{ steps.flux_diff.outputs.diff }}
+    value: ${{ steps.flux_diff_output.outputs.diff }}
 runs:
   using: "composite"
   steps: