diff --git a/src/misc/extra/extraUtilFile.c b/src/misc/extra/extraUtilFile.c
index 54e6efc259..6585b7a729 100644
--- a/src/misc/extra/extraUtilFile.c
+++ b/src/misc/extra/extraUtilFile.c
@@ -18,6 +18,13 @@
 
 ***********************************************************************/
 
+#ifdef WIN32
+#include <windows.h>
+#define PATH_MAX MAX_PATH
+#else
+#include <limits.h>
+#endif
+
 #include "extra.h"
 
 ABC_NAMESPACE_IMPL_START
@@ -184,9 +191,9 @@ char * Extra_FileNameGeneric( char * FileName )
 ***********************************************************************/
 char * Extra_FileNameGenericAppend( char * pBase, char * pSuffix )
 {
-    static char Buffer[1000];
+    static char Buffer[PATH_MAX];
     char * pDot;
-    assert( strlen(pBase) + strlen(pSuffix) < 1000 );
+    assert( strlen(pBase) + strlen(pSuffix) < PATH_MAX );
     strcpy( Buffer, pBase );
     if ( (pDot = strrchr( Buffer, '.' )) )
         *pDot = 0;