Index: /trunk/src/VBox/Main/src-client/DisplayImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/DisplayImpl.cpp	(revision 53970)
+++ /trunk/src/VBox/Main/src-client/DisplayImpl.cpp	(revision 53971)
@@ -518,8 +518,8 @@
     Display *that = static_cast<Display*>(pvUser);
 
-    if (!(   uVersion == sSSMDisplayVer
-          || uVersion == sSSMDisplayVer2
-          || uVersion == sSSMDisplayVer3
-          || uVersion == sSSMDisplayVer4))
+    if (   uVersion != sSSMDisplayVer
+        && uVersion != sSSMDisplayVer2
+        && uVersion != sSSMDisplayVer3
+        && uVersion != sSSMDisplayVer4)
         return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
     Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);