diff --git a/templates/app.json b/templates/app.json
index 47c32d4..f484c76 100644
--- a/templates/app.json
+++ b/templates/app.json
@@ -134,7 +134,7 @@
                 ],
                 "SecurityGroups": [ { "Ref": "APIELBSecurityGroup" } ],
                 "Listeners": [ {
-                    "InstancePort": "80",
+                    "InstancePort": "1664",
                     "InstanceProtocol": "HTTP",
                     "LoadBalancerPort": "443",
                     "Protocol": "HTTPS",
@@ -159,7 +159,7 @@
                 "VpcId": { "Fn::ImportValue": { "Fn::Sub": "${BaseStack}-VPCId" }},
                 "SecurityGroupIngress": [
                     { "IpProtocol": "tcp", "FromPort": "22", "ToPort": "22", "SourceSecurityGroupId": { "Fn::ImportValue": { "Fn::Sub": "${BaseStack}-BastionSecurityGroupId" }}},
-                    { "IpProtocol": "tcp", "FromPort": "80", "ToPort": "80", "SourceSecurityGroupId": { "Ref": "APIELBSecurityGroup" }},
+                    { "IpProtocol": "tcp", "FromPort": "1664", "ToPort": "1664", "SourceSecurityGroupId": { "Ref": "APIELBSecurityGroup" }},
                 ],
                 "Tags": [
                     { "Key": "Name", "Value": "mig api security group" }