Index: /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 55875)
+++ /trunk/src/VBox/Frontends/VirtualBox/Makefile.kmk	(revision 55876)
@@ -822,9 +822,9 @@
 VirtualBox_SOURCES            += VirtualBox2.qrc
 VirtualBox2.qrc_RCCFLAGS       = -name BASIC2
+VirtualBox_SOURCES             += VirtualBox1_hidpi.qrc
+VirtualBox1_hidpi.qrc_RCCFLAGS  = -name BASIC1_HIDPI
+VirtualBox_SOURCES             += VirtualBox2_hidpi.qrc
+VirtualBox2_hidpi.qrc_RCCFLAGS  = -name BASIC2_HIDPI
 ifeq ($(KBUILD_TARGET),darwin)
- VirtualBox_SOURCES             += VirtualBox1_hidpi.qrc
- VirtualBox1_hidpi.qrc_RCCFLAGS  = -name BASIC1_HIDPI
- VirtualBox_SOURCES             += VirtualBox2_hidpi.qrc
- VirtualBox2_hidpi.qrc_RCCFLAGS  = -name BASIC2_HIDPI
  VirtualBox_SOURCES           += VirtualBoxMac.qrc
  VirtualBoxMac.qrc_RCCFLAGS    = -name MAC
Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIIconPool.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIIconPool.cpp	(revision 55875)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/UIIconPool.cpp	(revision 55876)
@@ -242,17 +242,19 @@
     /* Test if HiDPI icons are enabled. Works only with a patched version of Qt 4.x
      * with the changes from https://codereview.qt-project.org/#change,54636 applied. */
-    if (qApp->testAttribute(Qt::AA_UseHighDpiPixmaps))
-    {
-        /* Parse name to prefix and suffix: */
-        QString strPrefix = strName.section('.', 0, -2);
-        QString strSuffix = strName.section('.', -1, -1);
-        /* Prepare HiDPI pixmap on the basis of values above: */
-        QPixmap pixmapHiDPI(strPrefix + "_hidpi." + strSuffix);
-        /* Add HiDPI pixmap (if any): */
-        if (!pixmapHiDPI.isNull())
-            icon.addPixmap(pixmapHiDPI, mode, state);
-    }
+    if (!qApp->testAttribute(Qt::AA_UseHighDpiPixmaps))
+        return;
 # endif /* VBOX_GUI_WITH_HIDPI */
+    /* Otherwise HiDPI icons are useless: */
+    return;
 #endif /* Q_WS_MAC */
+
+    /* Parse name to prefix and suffix: */
+    QString strPrefix = strName.section('.', 0, -2);
+    QString strSuffix = strName.section('.', -1, -1);
+    /* Prepare HiDPI pixmap on the basis of values above: */
+    QPixmap pixmapHiDPI(strPrefix + "_hidpi." + strSuffix);
+    /* Add HiDPI pixmap (if any): */
+    if (!pixmapHiDPI.isNull())
+        icon.addPixmap(pixmapHiDPI, mode, state);
 }