diff --git a/gcc/config/i386/os2.h b/gcc/config/i386/os2.h
index 7d22db0f062..a35f33318c0 100644
--- a/gcc/config/i386/os2.h
+++ b/gcc/config/i386/os2.h
@@ -1,6 +1,6 @@
 /* Definitions of target machine for GNU compiler
    for an Intel i386 or later processor running OS/2 2.x.
-   Copyright (C) 1993 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1994 Free Software Foundation, Inc.
    Contributed by Samuel Figueroa (figueroa@cs.nyu.edu)
 
 This file is part of GNU CC.
@@ -35,6 +35,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define LOCAL_INCLUDE_DIR "\\gcc\\include"
 #endif
 
+#ifndef PATH_SEPARATOR
+#define PATH_SEPARATOR ';'
+#endif
+
 #define YES_UNDERSCORES
 #include "i386/gstabs.h"