diff --git a/docker.local/validator.Dockerfile b/docker.local/validator.Dockerfile
index cb0eb8689..419843be4 100644
--- a/docker.local/validator.Dockerfile
+++ b/docker.local/validator.Dockerfile
@@ -18,7 +18,8 @@ COPY .  $SRC_DIR
 RUN cd $SRC_DIR/ && go mod download 
 
 WORKDIR $SRC_DIR/code/go/0chain.net/validator
-
+ARG GIT_COMMIT
+ENV GIT_COMMIT=$GIT_COMMIT
 RUN CGO_ENABLED=1 go build -v -tags "bn256 development" -ldflags "-X github.com/0chain/blobber/code/go/0chain.net/core/build.BuildTag=$GIT_COMMIT"
 
 # Copy the build artifact into a minimal runtime image: