diff --git a/configure.ac b/configure.ac
index 21056f9..41e51da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -234,9 +234,11 @@
     include/Makefile
     include/osmocom/Makefile
     include/osmocom/msc/Makefile
+    include/osmocom/smpp/Makefile
     src/Makefile
     src/libmsc/Makefile
     src/libvlr/Makefile
+    src/libsmpputil/Makefile
     src/osmo-msc/Makefile
     src/utils/Makefile
     tests/Makefile