diff --git a/tests/Makefile.am b/tests/Makefile.am
index 82cde7b45..f13c8a181 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,6 +1,6 @@
 SUBDIRS = conform micro-perf data
 
-DIST_SUBDIRS = conform data
+DIST_SUBDIRS = conform micro-perf data
 
 EXTRA_DIST = README