diff --git a/libf2c/ChangeLog b/libf2c/ChangeLog
index 602542f216a..e8f615eb6c8 100644
--- a/libf2c/ChangeLog
+++ b/libf2c/ChangeLog
@@ -1,3 +1,7 @@
+1998-09-30  Dave Love  <d.love@dl.ac.uk>
+
+	* Makefile.in (f2cext.c): Depend on g2c.h.
+
 1998-09-30  Robert Lipe  <robertl@dgii.com> 
 
 	* Makefile.in (all): Correct dependencies do --disable-multilibs 
diff --git a/libf2c/Makefile.in b/libf2c/Makefile.in
index 49a977b266d..3ad383735ec 100644
--- a/libf2c/Makefile.in
+++ b/libf2c/Makefile.in
@@ -121,6 +121,8 @@ s-libe77: f2cext.c
 	done
 	echo timestamp >s-libe77
 
+f2cext.c: g2c.h
+
 ${srcdir}/configure: configure.in
 	rm -f config.cache
 	cd $(srcdir) && autoconf