diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 96c2402d..faaf7cc2 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -26,5 +26,6 @@ gmime_test_LDADD=$(GMIME_LIBS) $(GLIB_LIBS)
 
 EXTRA_DIST=			\
 	mu-completion.zsh	\
-	mu-sexp-convert
+	mu-sexp-convert		\
+	mu.spec