diff --git a/Makefile.in b/Makefile.in
index 7cd64b9..aec36e5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -29,7 +29,7 @@ enough: $(ORION-WM)
 
 # DISTFILES should include all sources.
 DISTFILES = COPYING INSTALL README configure configure.in Makefile.in	\
-	    mkinstalldirs install-sh src/*.scm doc/*.html
+	    mkinstalldirs install-sh orion.in src/*.scm doc/*.html
 
 distname = $(ORION-WM)-$(PACKAGE_VERSION)