diff --git a/ci/goreleaser/goreleaser.yml b/ci/goreleaser/goreleaser.yml
index 51f8c44f2..6dc936ead 100644
--- a/ci/goreleaser/goreleaser.yml
+++ b/ci/goreleaser/goreleaser.yml
@@ -75,7 +75,7 @@ dockers:
       - "--label=org.opencontainers.image.title={{.ProjectName}}"
       - "--label=org.opencontainers.image.revision={{.FullCommit}}"
       - "--label=org.opencontainers.image.version={{.Version}}"
-      - "--build-arg TARGETARCH=ppc64el"
+      - "--build-arg=TARGETARCH=ppc64el"
     use: buildx
     goarch: s390x
     goos: linux