diff --git a/Makefile.in b/Makefile.in
index e017b6c..cc5721d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -695,7 +695,7 @@ c/scheme48.h: c/scheme48.h.in scheme/vm/arch.scm scheme/vm/data.scm \
 		echo ',batch';							\
 		echo ',load-package big-scheme';				\
 		echo ',open big-scheme';					\
-		echo ',load scheme/link/generate-c-header.scm';			\
+		echo ',load $(srcdir)/scheme/link/generate-c-header.scm';	\
 		echo "(make-c-header-file \"$@\"				\
 					  \"$(srcdir)/c/scheme48.h.in\"		\
 					  \"$(srcdir)/scheme/vm/arch.scm\"	\