diff --git a/all-tests.opts b/all-tests.opts
index af131e7..973b563 100644
--- a/all-tests.opts
+++ b/all-tests.opts
@@ -1,3 +1,4 @@
+libosmocore --enable-external-tests
 osmo-msc --enable-external-tests --enable-vty-tests
 osmo-bsc --enable-external-tests --enable-vty-tests
 osmo-sgsn --enable-external-tests --enable-vty-tests