--- gforth/Makefile.in	2008/05/05 13:35:47	1.399
+++ gforth/Makefile.in	2008/05/07 08:57:10	1.400
@@ -768,7 +768,7 @@ prim-fast.b:	prim cache-fast$(STACK_CACH
 		sleep 1 #should make hpux-workaround unnecessary
 
 $(FORTH_GEN_ENGINE_FAST): prim-fast.b prims2x.fs
-		GFORTH="$(FORTHP)" $(srcdir)/gfgen -fast
+		GFORTH="$(PREFORTH)" $(srcdir)/gfgen -fast
 
 $(FORTH_GEN_ENGINE): prim.b prims2x.fs
 		GFORTH="$(PREFORTH)" $(srcdir)/gfgen