diff --git a/hack/build-node-joiner.sh b/hack/build-node-joiner.sh
index 56256357cc3..8ebd03ecfab 100755
--- a/hack/build-node-joiner.sh
+++ b/hack/build-node-joiner.sh
@@ -17,7 +17,7 @@ export CGO_ENABLED=0
 MODE="${MODE:-release}"
 
 GIT_COMMIT="${SOURCE_GIT_COMMIT:-$(git rev-parse --verify 'HEAD^{commit}')}"
-GIT_TAG="${BUILD_VERSION:-$(git describe --always --abbrev=40 --dirty)}"
+GIT_TAG="${BUILD_VERSION:-$(git describe --always --abbrev=40 --dirty | sed 's/^v\?1\.//')}"
 DEFAULT_ARCH="${DEFAULT_ARCH:-amd64}"
 GOFLAGS="${GOFLAGS:--mod=vendor}"
 GCFLAGS=""
diff --git a/hack/build.sh b/hack/build.sh
index 6db72a50a78..ecec25ee82d 100755
--- a/hack/build.sh
+++ b/hack/build.sh
@@ -25,7 +25,7 @@ make -C cluster-api all
 copy_cluster_api_to_mirror
 
 GIT_COMMIT="${SOURCE_GIT_COMMIT:-$(git rev-parse --verify 'HEAD^{commit}')}"
-GIT_TAG="${BUILD_VERSION:-$(git describe --always --abbrev=40 --dirty)}"
+GIT_TAG="${BUILD_VERSION:-$(git describe --always --abbrev=40 --dirty | sed 's/^v\?1\.//')}"
 DEFAULT_ARCH="${DEFAULT_ARCH:-amd64}"
 GOFLAGS="${GOFLAGS:--mod=vendor}"
 GCFLAGS=""