diff --git a/.github/workflows/dockerhub-publish.yml b/.github/workflows/dockerhub-publish.yml
index 74ce9729..7228da61 100644
--- a/.github/workflows/dockerhub-publish.yml
+++ b/.github/workflows/dockerhub-publish.yml
@@ -50,4 +50,4 @@ jobs:
       # instead of PATH context `context: .`
           push: true
           tags: kdhrubo/db2rest:v${{ github.run_number }}, kdhrubo/db2rest:latest
-          build-args: JAR_FILE=./db2rest.jar
+          build-args: JAR_FILE=${{ github.workspace }}/db2rest.jar