diff --git a/RustyStarRockets/RustyStarRockets-v1.3.ckan b/RustyStarRockets/RustyStarRockets-v1.3.ckan
index 9d6786a649..dea2ee59d8 100644
--- a/RustyStarRockets/RustyStarRockets-v1.3.ckan
+++ b/RustyStarRockets/RustyStarRockets-v1.3.ckan
@@ -14,6 +14,11 @@
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+    },
+    "download_content_type": "application/zip",
     "x_via": "Automated KerbalStuff CKAN submission",
     "x_generated_by": "netkan"
 }