diff --git a/docker/docker-entrypoint.sh b/docker/docker-entrypoint.sh
index 2b5dc06a4..70a4a80f2 100755
--- a/docker/docker-entrypoint.sh
+++ b/docker/docker-entrypoint.sh
@@ -30,7 +30,9 @@ export MODE="self-hosted"
 # PORTS #
 #########
 
-export API_GATEWAY_PORT=3000
+if [ -z "$API_GATEWAY_PORT" ]; then
+  export API_GATEWAY_PORT=3000
+fi
 
 if [ -z "$SYNCING_SERVER_PORT" ]; then
   export SYNCING_SERVER_PORT=3101