diff --git a/src/server/ga/log.go b/src/server/ga/log.go
index 340020d3..ad10ca12 100644
--- a/src/server/ga/log.go
+++ b/src/server/ga/log.go
@@ -20,6 +20,11 @@ func init() {
 }
 
 func GAlogEvent(event string, userID string, deviceID string, properties map[string]interface{}) {
+	newProperties := make(map[string]interface{})
+	for k, v := range properties {
+		newProperties["proj_"+k] = v
+	}
+	properties = newProperties
 	glogger.
 		GetEntry(event).
 		SetDeviceID(deviceID).