diff --git a/Dockerrun.aws.json.production b/Dockerrun.aws.json.production
index 2875c05..3200e2c 100644
--- a/Dockerrun.aws.json.production
+++ b/Dockerrun.aws.json.production
@@ -34,9 +34,9 @@
       "essential": true,
       "memory": 256,
       "command": ["serve"],
-      "environment": {
-        "OFFEN_SERVER_REVERSEPROXY": "1"
-      }
+      "environment": [
+        { name: "OFFEN_SERVER_REVERSEPROXY", "value": "1" }
+      ]
     },
     {
       "name": "logspout",
diff --git a/Dockerrun.aws.json.staging b/Dockerrun.aws.json.staging
index 0583689..d3b300b 100644
--- a/Dockerrun.aws.json.staging
+++ b/Dockerrun.aws.json.staging
@@ -27,9 +27,9 @@
       "essential": true,
       "memory": 256,
       "command": ["serve"],
-      "environment": {
-        "OFFEN_SERVER_REVERSEPROXY": "1"
-      }
+      "environment": [
+        { name: "OFFEN_SERVER_REVERSEPROXY", "value": "1" }
+      ]
     }
   ]
 }