diff --git a/Makefile-distrib b/Makefile-distrib
index 1dcba17..1cfcd02 100644
--- a/Makefile-distrib
+++ b/Makefile-distrib
@@ -49,9 +49,10 @@ source-distrib:
 # manual
 	mkdir -p export/$(heptdir)/manual
 	cp manual/heptagon-manual.pdf export/$(heptdir)/manual
-# Makefile, config.in, configure, INSTALL, COPYING
+# Makefile, config.in, configure, install-sh, INSTALL, COPYING
 	cp config.in export/$(heptdir)
 	cp configure export/$(heptdir)
+	cp install-sh export/$(heptdir)
 	cp Makefile export/$(heptdir)
 	cp COPYING export/$(heptdir)
 	cp manual/INSTALL export/$(heptdir)
diff --git a/configure.in b/configure.in
index 739ffdf..d0f785d 100644
--- a/configure.in
+++ b/configure.in
@@ -6,7 +6,7 @@ AC_PROG_MAKE_SET
 
 AC_ARG_ENABLE(simulator,
     [  --enable-simulator      enable the graphical simulator],,
-    enable_simulator=no)
+    enable_simulator=yes)
 
 AC_ARG_ENABLE(local_stdlib,
     [  --enable-local-stdlib   use the in-sources standard library],,