diff --git a/src/gui/messagestoolbar.cpp b/src/gui/messagestoolbar.cpp
index 0f01ea8ed..d8f87ed86 100644
--- a/src/gui/messagestoolbar.cpp
+++ b/src/gui/messagestoolbar.cpp
@@ -135,6 +135,7 @@ void MessagesToolBar::initializeHighlighter() {
 
   m_actionMessageHighlighter = new QWidgetAction(this);
   m_actionMessageHighlighter->setDefaultWidget(m_btnMessageHighlighter);
+  m_actionMessageHighlighter->setIcon(m_btnMessageHighlighter->icon());
   m_actionMessageHighlighter->setProperty("type", HIGHLIGHTER_ACTION_NAME);
   m_actionMessageHighlighter->setProperty("name", tr("Message highlighter"));