diff --git a/werror.opts b/werror.opts
index 602843f..2121fca 100644
--- a/werror.opts
+++ b/werror.opts
@@ -11,3 +11,4 @@ osmo-hlr --enable-werror
 osmo-mgw --enable-werror
 osmo-msc --enable-werror
 osmo-sgsn --enable-werror
+osmo-bts --enable-werror