diff --git a/H/absmi.h b/H/absmi.h
index b33874285..525db7ac4 100644
--- a/H/absmi.h
+++ b/H/absmi.h
@@ -1043,8 +1043,6 @@ Macros to check the limits of stacks
 #define UNWIND_CUNIF()
 #endif
 
-inline EXTERN int STD_PROTO(unify_extension,(Functor, CELL, CELL *, CELL));
-
 #define UnifyBound_TEST_ATTACHED(f,d0,pt0,d1)                          \
  if (IsExtensionFunctor(f)) {                                          \
    if (unify_extension(f, d0, RepAppl(d0), d1))                        \
diff --git a/m4/TermExt.h.m4 b/m4/TermExt.h.m4
index 1d6d408b4..d814bedfb 100644
--- a/m4/TermExt.h.m4
+++ b/m4/TermExt.h.m4
@@ -10,7 +10,7 @@
 * File:		TermExt.h						 *
 * mods:									 *
 * comments:	Extensions to standard terms for YAP			 *
-* version:      $Id: TermExt.h.m4,v 1.5 2001-12-17 18:31:11 vsc Exp $	 *
+* version:      $Id: TermExt.h.m4,v 1.6 2002-06-03 16:14:30 vsc Exp $	 *
 *************************************************************************/
 
 #if USE_OFFSETS
@@ -208,6 +208,8 @@ Inline(IsAttachedTerm, Int, Term, t, FALSE)
 
 #endif
 
+inline EXTERN int STD_PROTO(unify_extension,(Functor, CELL, CELL *, CELL));
+
 EXTERN int  STD_PROTO(unify_extension,(Functor, CELL, CELL *, CELL));
 
 inline EXTERN int