Index: /trunk/src/VBox/Frontends/VirtualBox/src/selector/UISnapshotDetailsWidget.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/selector/UISnapshotDetailsWidget.cpp	(revision 68365)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/selector/UISnapshotDetailsWidget.cpp	(revision 68366)
@@ -1320,4 +1320,8 @@
         case DetailsElementType_Display:
         {
+            // WORKAROUND:
+            // IMachine::GetExtraData still non-const..
+            CMachine comExtraDataMachine = comMachine;
+
             /* Video Memory: */
             int iRowCount = 1;
@@ -1335,5 +1339,4 @@
 
             /* Scale-factor? */
-            CMachine comExtraDataMachine = comMachine;
             const QString strScaleFactor = comExtraDataMachine.GetExtraData(UIExtraDataDefs::GUI_ScaleFactor);
             {
@@ -1355,5 +1358,5 @@
 #ifdef VBOX_WS_MAC
             /* Unscaled HiDPI Video Output? */
-            const QString strUnscaledHiDPIMode = machine.GetExtraData(UIExtraDataDefs::GUI_HiDPI_UnscaledOutput);
+            const QString strUnscaledHiDPIMode = comExtraDataMachine.GetExtraData(UIExtraDataDefs::GUI_HiDPI_UnscaledOutput);
             {
                 /* Try to convert loaded data to bool: */