diff --git a/src/gui/settingsdialog.cpp b/src/gui/settingsdialog.cpp
index d8c83ce4b7..7657a5b52b 100644
--- a/src/gui/settingsdialog.cpp
+++ b/src/gui/settingsdialog.cpp
@@ -43,6 +43,7 @@ namespace {
   const char TOOLBAR_CSS[] =
     "QToolBar { background: %1; margin: 0; padding: 0; border: none; border-bottom: 1px solid %2; spacing: 0; } "
     "QToolBar QToolButton { background: %1; border: none; border-bottom: 1px solid %2; margin: 0; padding: 5px; } "
+    "QToolBar QToolBarExtension { padding:0; } "
     "QToolBar QToolButton:checked { background: %3; color: %4; }";
 
   static const float buttonSizeRatio = 1.618; // golden ratio