diff --git a/hack/release.sh b/hack/release.sh
index 3ef3c17fba..daf324c50f 100755
--- a/hack/release.sh
+++ b/hack/release.sh
@@ -47,7 +47,7 @@ function build_release() {
     fail "failed to create data plane artifact"
   fi
 
-  export ARTIFACTS_TO_PUBLISH=("${EVENTING_KAFKA_CONTROL_PLANE_ARTIFACT} ${EVENTING_KAFKA_BROKER_ARTIFACT}" "${EVENTING_KAFKA_SINK_ARTIFACT}")
+  export ARTIFACTS_TO_PUBLISH=("${EVENTING_KAFKA_CONTROL_PLANE_ARTIFACT} ${EVENTING_KAFKA_BROKER_ARTIFACT} ${EVENTING_KAFKA_SINK_ARTIFACT}")
 }
 
 main $@