Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsUSBFilterDetails.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsUSBFilterDetails.cpp	(revision 85959)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsUSBFilterDetails.cpp	(revision 85960)
@@ -103,7 +103,11 @@
     retranslateUi();
 
-    /* Adjust size: */
-    resize(minimumSize());
+    /* Adjust dialog size: */
+    adjustSize();
+
+#ifdef VBOX_WS_MAC
     setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
+    setFixedSize(minimumSize());
+#endif /* VBOX_WS_MAC */
 }