diff --git a/json-logs/samples/api/files.completeUploadExternal.json b/json-logs/samples/api/files.completeUploadExternal.json
index 6835abfc7..b3327f009 100644
--- a/json-logs/samples/api/files.completeUploadExternal.json
+++ b/json-logs/samples/api/files.completeUploadExternal.json
@@ -94,7 +94,8 @@
         }
       },
       "channels": [
-        "C00000000"
+        "C00000000",
+        ""
       ],
       "groups": [
         ""