diff --git a/testclient/mainwindow.cpp b/testclient/mainwindow.cpp
--- a/testclient/mainwindow.cpp
+++ b/testclient/mainwindow.cpp
@@ -54,6 +54,11 @@
 
     populateCBs();
 
+    //Icon for actionQuit
+#ifndef Q_OS_MAC
+    ui->actionQuit->setIcon(QIcon::fromTheme(QStringLiteral("application-exit")));
+#endif
+
     //hide the printing progress bar.
     ui->printLayout->setVisible(false);
 
diff --git a/testclient/mainwindow.ui b/testclient/mainwindow.ui
--- a/testclient/mainwindow.ui
+++ b/testclient/mainwindow.ui
@@ -939,10 +939,6 @@
    <addaction name="menuView"/>
   </widget>
   <action name="actionQuit">
-   <property name="icon">
-    <iconset theme="application-exit">
-     <normaloff>.</normaloff>.</iconset>
-   </property>
    <property name="text">
     <string>&amp;Quit</string>
    </property>