diff --git a/release/src/main/scripts/build_release_candidate.sh b/release/src/main/scripts/build_release_candidate.sh
index d0a1cbff34ed..a380d692a794 100755
--- a/release/src/main/scripts/build_release_candidate.sh
+++ b/release/src/main/scripts/build_release_candidate.sh
@@ -333,7 +333,7 @@ if [[ $confirmation = "y" ]]; then
   cd ${BEAM_ROOT_DIR}
   git checkout ${RC_TAG}
 
-  ./gradlew :pushAllDockerImages -Pdocker-pull-licenses -Pdocker-tag=${RELEASE}_rc${RC_NUM}
+  ./gradlew :pushAllDockerImages -Pdocker-pull-licenses -Pdocker-tag=${RELEASE}rc${RC_NUM}
 
   wipe_local_clone_dir
 fi