diff --git a/Makefile.am b/Makefile.am
index 6c09c26..7f50227 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,9 +3,11 @@ AUTOMAKE_OPTIONS = 1.8 dist-bzip2 no-dist-gzip
 
 ACLOCAL_AMFLAGS = -I m4
 
+BUILT_SOURCES = REVISION
+
 SUBDIRS = morituri bin etc doc m4 misc
 
-EXTRA_DIST = morituri.spec morituri.doap RELEASE README.md HACKING REVISION
+EXTRA_DIST = morituri.spec morituri.doap RELEASE README.md HACKING $(BUILT_SOURCES)
 
 SOURCES = $(top_srcdir)/morituri/*.py $(top_srcdir)/morituri/*/*.py