diff --git a/openbsc/configure.in b/openbsc/configure.in
index 65b39e6..aec490d 100644
--- a/openbsc/configure.in
+++ b/openbsc/configure.in
@@ -99,6 +99,7 @@
     src/osmo-bsc_mgcp/Makefile
     src/ipaccess/Makefile
     src/utils/Makefile
+    src/gb/Makefile
     src/gprs/Makefile
     tests/Makefile
     tests/debug/Makefile