diff --git a/src/app/qgsdbsourceselect.cpp b/src/app/qgsdbsourceselect.cpp
index 0451f73d183..96640829f64 100644
--- a/src/app/qgsdbsourceselect.cpp
+++ b/src/app/qgsdbsourceselect.cpp
@@ -414,8 +414,6 @@ void QgsDbSourceSelect::on_btnConnect_clicked()
         {
           connect( mColumnTypeThread, SIGNAL( setLayerType( QString, QString, QString, QString ) ),
                    this, SLOT( setLayerType( QString, QString, QString, QString ) ) );
-          connect( this, SIGNAL( finished() ),
-                   mColumnTypeThread, SLOT( stop() ) );
 
           // Do it in a thread.
           mColumnTypeThread->start();