diff --git a/src/core/qgsdatasourceuri.cpp b/src/core/qgsdatasourceuri.cpp
index 9e0302bb472..c095d3bf819 100644
--- a/src/core/qgsdatasourceuri.cpp
+++ b/src/core/qgsdatasourceuri.cpp
@@ -230,6 +230,7 @@ QString QgsDataSourceURI::connInfo() const
     connInfo += " host=" + mHost;
     if( mPort!="" )
       connInfo += " port=" + mPort;
+    connInfo += " sslmode=prefer";
   }
 
   if( mUsername != "" )