diff --git a/HeatManagement/HeatManagement-0.26.3.ckan b/HeatManagement/HeatManagement-0.26.3.ckan
index a3f0a815ce..79585f186f 100644
--- a/HeatManagement/HeatManagement-0.26.3.ckan
+++ b/HeatManagement/HeatManagement-0.26.3.ckan
@@ -28,5 +28,10 @@
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+    "download_content_type": "application/zip",
     "x_generated_by": "netkan"
 }