diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1f643a2d1c54..4878aa2b2e42 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -13,6 +13,8 @@ Thu Oct  8 17:00:18 1998  Richard Henderson  <rth@cygnus.com>
 
 Thu Oct  8 17:15:04 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
+
 	* cpplib.h: Protect from multiple inclusions.
 	* cpplib.c: Fix minor formatting problems.
 
diff --git a/gcc/toplev.c b/gcc/toplev.c
index e2ddcaf40675..c3269f4edd02 100644
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -2389,7 +2389,7 @@ output_file_directive (asm_file, input_name)
   /* NA gets INPUT_NAME sans directory names.  */
   while (na > input_name)
     {
-      if (na[-1] == '/')
+      if (na[-1] == DIR_SEPARATOR)
 	break;
       na--;
     }