diff --git a/src/platform.js b/src/platform.js
index 00d453f2c..b2bdb22bc 100644
--- a/src/platform.js
+++ b/src/platform.js
@@ -89,7 +89,7 @@ async function createDockerNetwork() {
     await shell.spawn('docker', ['network', 'rm', '-f', 'cloudron'], {});
     // the --ipv6 option will work even in ipv6 is disabled. fd00 is IPv6 ULA
     await shell.spawn('docker', ['network', 'create', `--subnet=${constants.DOCKER_IPv4_SUBNET}`, `--ip-range=${constants.DOCKER_IPv4_RANGE}`,
-        `--gateway ${constants.DOCKER_IPv4_GATEWAY}`, '--ipv6', '--subnet=fd00:c107:d509::/64', 'cloudron'], {});
+        `--gateway=${constants.DOCKER_IPv4_GATEWAY}`, '--ipv6', '--subnet=fd00:c107:d509::/64', 'cloudron'], {});
 }
 
 async function removeAllContainers() {