diff --git a/ci/build-tumbleweed.sh b/ci/build-tumbleweed.sh
index 03e8d1ac1e558..a3d8f27206d51 100755
--- a/ci/build-tumbleweed.sh
+++ b/ci/build-tumbleweed.sh
@@ -17,4 +17,6 @@ meson setup build \
   -Dtests=true            \
   -Dvulkan=enabled
 meson compile -C build
+
+export UBSAN_OPTIONS="print_stacktrace=1:halt_on_error=1"
 ./build/mpv -v --no-config