diff --git a/config/Makefile.am b/config/Makefile.am
index 7a3382f11d..9ecb9c9ee5 100644
--- a/config/Makefile.am
+++ b/config/Makefile.am
@@ -7,4 +7,5 @@ EXTRA_DIST = \
 	lyxinclude.m4 \
 	pkg.m4 \
 	qt.m4 \
+	qt4.m4 \
 	spell.m4