diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index 04ab3ae18d..bc0e35d505 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,7 @@
+2000-03-30  Dave Brolley  <brolley@redhat.com>
+
+	* aclocal.m4 (cgen): Use guile to run cgen.
+
 2000-03-23  Dave Brolley  <brolley@redhat.com>
 
 	* cgen-fpu.h: Rename extsfdf to fextsfdf. Rename truncdfsf to
diff --git a/sim/common/aclocal.m4 b/sim/common/aclocal.m4
index 2d223224ef..4adb53e4b2 100644
--- a/sim/common/aclocal.m4
+++ b/sim/common/aclocal.m4
@@ -1196,7 +1196,7 @@ AC_DEFUN(SIM_AC_OPTION_CGEN_MAINT,
 [
 cgen_maint=no
 dnl Default is to use one in build tree.
-cgen=../../cgen/cgen
+cgen=guile
 cgendir='$(srcdir)/../../cgen'
 dnl Having --enable-maintainer-mode take arguments is another way to go.
 dnl ??? One can argue --with is more appropriate if one wants to specify
@@ -1213,7 +1213,7 @@ AC_ARG_ENABLE(cgen-maint,
 	# Having a `share' directory might be more appropriate for the .scm,
 	# .cpu, etc. files.
 	cgendir=${cgen_maint}/lib/cgen
-	cgen=${cgendir}/bin/cgen
+	cgen=guile
 	;;
 esac])dnl
 dnl AM_CONDITIONAL(CGEN_MAINT, test x${cgen_maint} != xno)