diff --git a/Makefile.am b/Makefile.am
index a615c3ff2e8..eb63c5d56d2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -317,7 +317,8 @@ EXTRA_DIST = \
 	units/fsck@.service.in \
 	units/fsck-root.service.in \
 	units/quotacheck.service.in \
-	systemd.pc.in
+	systemd.pc.in \
+	introspect.awk
 
 if TARGET_FEDORA
 dist_systemunit_DATA += \