diff --git a/plugins/modem-manager/meson.build b/plugins/modem-manager/meson.build
index dd686ba39..ce1d3c661 100644
--- a/plugins/modem-manager/meson.build
+++ b/plugins/modem-manager/meson.build
@@ -1,5 +1,9 @@
 cargs = ['-DG_LOG_DOMAIN="FuPluginMm"']
 
+install_data(['modem-manager.quirk'],
+  install_dir: join_paths(datadir, 'fwupd', 'quirks.d')
+)
+
 shared_module('fu_plugin_modem_manager',
   fu_hash,
   sources : [
diff --git a/plugins/modem-manager/modem-manager.quirk b/plugins/modem-manager/modem-manager.quirk
new file mode 100644
index 000000000..e73ff4bd7
--- /dev/null
+++ b/plugins/modem-manager/modem-manager.quirk
@@ -0,0 +1,11 @@
+
+# DW5821e
+[DeviceInstanceId=USB\VID_413C&PID_81D7]
+Summary = Dell DW5821e LTE modem
+CounterpartGuid = USB\VID_413C&PID_81D6
+
+# DW5821e in fastboot mode
+[DeviceInstanceId=USB\VID_413C&PID_81D6]
+Summary = Dell DW5821e LTE modem (fastboot)
+CounterpartGuid = USB\VID_413C&PID_81D7
+