diff --git a/.gitignore b/.gitignore
index 45e88d4f3..bdaaaf91c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,5 +37,6 @@ src/zapit/src/pzapit
 src/zapit/src/udpstreampes
 src/drivertool
 src/dt
+src/rcsim.h
 src/gui/version.h
 src/nhttpd/nhttpd.conf
diff --git a/src/Makefile.am b/src/Makefile.am
index 8694896fd..cf8a84515 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,9 @@
+BUILT_SOURCES = rcsim.h
+rcsim.h:
+	pushd $(top_srcdir)/src/ && ./create_rcsim_h.sh > $@
+
+.PHONY: rcsim.h
+
 AM_CXXFLAGS = -fno-rtti -fno-exceptions -D__STDC_FORMAT_MACROS
 
 SUBDIRS = zapit gui daemonc driver system eitd timerd nhttpd