diff --git a/src/stringfile.c b/src/stringfile.c

index de96f87..ba39f66 100644

--- a/src/stringfile.c

+++ b/src/stringfile.c

@@ -19,7 +19,7 @@

 char emptyString[] = "";

 bool showHiddenFiles, isInteractive;

 int debugLevel = 1;

-FILE *debugFile;

+FILE *debugFile = 0;

 char *downDir, *home;

 

 /*********************************************************************

@@ -642,9 +642,11 @@ void setDebugFile(const char *name)

  if (!name || !*name)

  return;

  debugFile = fopen(name, "w");

- if (debugFile)

+ if (debugFile) {

+#ifndef _MSC_VER // port setlinebuf(debugFile);, required???

  setlinebuf(debugFile);

- else

+#endif

+    } else

  printf("cannot create %s\n", name);

 } /* setDebugFile */