diff --git a/action.yml b/action.yml
index 316c1c6..063a131 100644
--- a/action.yml
+++ b/action.yml
@@ -54,7 +54,7 @@ runs:
         INPUT_BRANCH: ${{ inputs.branch }}
         INPUT_FIRST_PARENT: ${{ inputs.first_parent }}
         INPUT_PASS_IF_UNCHANGED: ${{ inputs.pass_if_unchanged }}
-        INPUT_FETCH_DEPTH: ${{ input.fetch_depth }}
+        INPUT_FETCH_DEPTH: ${{ inputs.fetch_depth }}
         INPUT_SUB_FETCH_DEPTH: ${{ inputs.sub_fetch_depth }}
         INPUT_REQUIRE_HEAD: ${{ inputs.require_head }}
         INPUT_DiSABLE_PROGRESSION: ${{ input.disable_progression }}