diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 24dbc30..60601fe 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -216,6 +216,7 @@
     tests/subscr/Makefile
     tests/oap/Makefile
     tests/gtphub/Makefile
+    tests/mm_auth/Makefile
     doc/Makefile
     doc/examples/Makefile
     Makefile)