diff --git a/ETT/ETT-1.0.3_20150907.ckan b/ETT/ETT-1.0.3_20150907.ckan
index cff0fbaeaf..db66453700 100644
--- a/ETT/ETT-1.0.3_20150907.ckan
+++ b/ETT/ETT-1.0.3_20150907.ckan
@@ -41,5 +41,10 @@
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+    },
+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }