diff --git a/test/run-koji-container.sh b/test/run-koji-container.sh
index 1420e7e..f62e5f4 100755
--- a/test/run-koji-container.sh
+++ b/test/run-koji-container.sh
@@ -67,7 +67,7 @@ koji_start() {
     cp /etc/osbuild-composer/ca-crt.pem ${SHARE_DIR}/client-ca.pem
   fi
 
-  ${CONTAINER_RUNTIME} network create org.osbuild.koji
+  ${CONTAINER_RUNTIME} network create org.osbuild.koji --subnet 10.89.0.0/24 --gateway 10.89.0.1
 
   ${CONTAINER_RUNTIME} run -d --name org.osbuild.koji.postgres --network org.osbuild.koji \
     --hostname org.osbuild.koji.koji \