diff --git a/host.json b/host.json
index 0f850aa..5060de8 100644
--- a/host.json
+++ b/host.json
@@ -13,7 +13,7 @@
       "visibilityTimeout": "00:00:30",
       "batchSize": 32,
       "maxDequeueCount": 5,
-      "messageEncoding": "none"
+      "messageEncoding": "base64"
     }
   },
   "logging": {