Index: /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp
===================================================================
--- /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp	(revision 57964)
+++ /trunk/src/VBox/Additions/common/VBoxService/VBoxServiceControlSession.cpp	(revision 57965)
@@ -1834,5 +1834,5 @@
          * log file, naming based on the parent log file. */
         char szParmLogFile[sizeof(g_szLogFile) + 128];
-        if (g_szLogFile)
+        if (g_szLogFile[0])
         {
             const char *pszSuffix = RTPathSuffix(g_szLogFile);