diff --git a/src/data/mime_db/application/x-vnd.gobe.productive-document b/src/data/mime_db/application/x-vnd.gobe.productive-document
index a3b2ced01c..be9fd83871 100644
--- a/src/data/mime_db/application/x-vnd.gobe.productive-document
+++ b/src/data/mime_db/application/x-vnd.gobe.productive-document
@@ -14,3 +14,4 @@ resource(4, "META:EXTENS") message(234) {
 	"type" = "application/x-vnd.gobe.productive-document"
 };
 
+resource(4, "META:SNIFF_RULE") "0.50 (\"GOBE SCOTT/01/02DOC!\")";