Index: /trunk/src/VBox/Main/src-client/DisplayImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/DisplayImpl.cpp	(revision 59785)
+++ /trunk/src/VBox/Main/src-client/DisplayImpl.cpp	(revision 59786)
@@ -5,5 +5,5 @@
 
 /*
- * Copyright (C) 2006-2014 Oracle Corporation
+ * Copyright (C) 2006-2016 Oracle Corporation
  *
  * This file is part of VirtualBox Open Source Edition (OSE), as
@@ -1809,5 +1809,5 @@
             pVMMDevPort->pfnRequestSeamlessChange(pVMMDevPort, !!enabled);
     }
-    mfSeamlessEnabled = enabled;
+    mfSeamlessEnabled = RT_BOOL(enabled);
 
 #if defined(VBOX_WITH_HGCM) && defined(VBOX_WITH_CROGL)