diff --git a/build-aux/flatpak/ca.andyholmes.Valent.Devel.json b/build-aux/flatpak/ca.andyholmes.Valent.Devel.json
index 9d8cd87fcec..7cf2363cc46 100644
--- a/build-aux/flatpak/ca.andyholmes.Valent.Devel.json
+++ b/build-aux/flatpak/ca.andyholmes.Valent.Devel.json
@@ -206,6 +206,7 @@
             "config-opts" : [
                 "--prefix=/app",
                 "--buildtype=debugoptimized",
+                "-Dplugin_bluez=true",
                 "-Dprofile=devel",
                 "-Dtests=true",
                 "-Dtracing=true"
diff --git a/tests/extra/tsan.supp b/tests/extra/tsan.supp
index 9e0532c7128..1e926c800e5 100644
--- a/tests/extra/tsan.supp
+++ b/tests/extra/tsan.supp
@@ -8,6 +8,10 @@
 #
 mutex:valent_device_get_type_once
 
+# src/plugins/bluez/valent-mux-io-stream.c
+race:valent_mux_io_stream_constructed
+race:valent_mux_io_stream_finalize
+
 # src/plugins/sms/valent-sms-store.c
 race:valent_sms_store_thread