diff --git a/entrypoint.sh b/entrypoint.sh
index 8784ced..0ff7b61 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,6 +2,6 @@
 
 set -e
 
-echo "::set-output name=base_ref_branch::${INPUT_BASE_REF/refs\/heads\//}"
-echo "::set-output name=head_ref_branch::${INPUT_HEAD_REF/refs\/heads\//}"
-echo "::set-output name=ref_branch::${INPUT_REF/refs\/heads\//}"
+echo "::set-output name=base_ref_branch::${0/refs\/heads\//}"
+echo "::set-output name=head_ref_branch::${1/refs\/heads\//}"
+echo "::set-output name=ref_branch::${2/refs\/heads\//}"