diff --git a/configure.ac b/configure.ac
index e9c4ffc..186721b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -212,6 +212,7 @@
     src/osmo-smlc/Makefile
     tests/Makefile
     tests/atlocal
+    tests/smlc_subscr/Makefile
     doc/Makefile
     doc/examples/Makefile
     doc/manuals/Makefile