diff --git a/src/lambda/handler-runner/docker-runner/DockerContainer.js b/src/lambda/handler-runner/docker-runner/DockerContainer.js
index bef4a2f8a..94f32b8cd 100644
--- a/src/lambda/handler-runner/docker-runner/DockerContainer.js
+++ b/src/lambda/handler-runner/docker-runner/DockerContainer.js
@@ -179,7 +179,9 @@ export default class DockerContainer {
       // Add `host.docker.internal` DNS name to access host from inside the container
       // https://github.com/docker/for-linux/issues/264
       const gatewayIp = await this._getBridgeGatewayIp()
-      dockerArgs.push('--add-host', `host.docker.internal:${gatewayIp}`)
+      if (gatewayIp) {
+        dockerArgs.push('--add-host', `host.docker.internal:${gatewayIp}`)
+      }
     }
 
     if (this.#dockerOptions.network) {