diff --git a/ghc/lib/std/cbits/writeError.c b/ghc/lib/std/cbits/writeError.c
index 59aa2b2ff316c7f2cb1bf2e47d6ff32d151d0c48..2072b69d259ec2f6732eebb43f104b555252a518 100644
--- a/ghc/lib/std/cbits/writeError.c
+++ b/ghc/lib/std/cbits/writeError.c
@@ -1,7 +1,7 @@
 /* 
  * (c) The GRASP/AQUA Project, Glasgow University, 1998
  *
- * $Id: writeError.c,v 1.4 1999/11/09 10:46:27 simonmar Exp $
+ * $Id: writeError.c,v 1.5 2000/05/01 14:44:25 panne Exp $
  *
  * hPutStr Runtime Support
  */
@@ -24,6 +24,12 @@ implementation in one or two places.)
 #include <fcntl.h>
 #endif
 
+StgAddr
+addrOf_ErrorHdrHook(void)
+{
+  return &ErrorHdrHook;
+}
+
 void
 writeErrString__ (msg_hdr, msg, len)
 StgAddr msg_hdr;