diff --git a/ETT/ETT-1.0.3_20150913.ckan b/ETT/ETT-1.0.3_20150913.ckan
index 75e93ac7d2..04ee48c76e 100644
--- a/ETT/ETT-1.0.3_20150913.ckan
+++ b/ETT/ETT-1.0.3_20150913.ckan
@@ -41,5 +41,10 @@
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+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }