diff --git a/mattermost.go b/mattermost.go
index 50f84fc98e..8fa217a3e9 100644
--- a/mattermost.go
+++ b/mattermost.go
@@ -111,7 +111,7 @@ func securityAndDiagnosticsJob() {
 							<-api.Srv.Store.System().Update(systemSecurityLastTime)
 						}
 
-						res, err := http.Get(utils.DIAGNOSTIC_URL + "/security?" + query + v.Encode())
+						res, err := http.Get(utils.DIAGNOSTIC_URL + "/security?" + v.Encode())
 						if err != nil {
 							l4g.Error("Failed to get security update information from Mattermost.")
 							return