diff --git a/build/images/flow-aggregator/Dockerfile b/build/images/flow-aggregator/Dockerfile
index c117f8f6d45..63433eaea8a 100644
--- a/build/images/flow-aggregator/Dockerfile
+++ b/build/images/flow-aggregator/Dockerfile
@@ -7,7 +7,7 @@ COPY . /antrea
 
 RUN make flow-aggregator
 
-FROM antrea/base-ubuntu:${OVS_VERSION}
+FROM scratch
 
 LABEL maintainer="Antrea <projectantrea-dev@googlegroups.com>"
 LABEL description="The docker image for the flow aggregator"