diff --git a/src/libsystemd/sd-device/device-monitor.c b/src/libsystemd/sd-device/device-monitor.c
index b823d860a8..82e01d44f2 100644
--- a/src/libsystemd/sd-device/device-monitor.c
+++ b/src/libsystemd/sd-device/device-monitor.c
@@ -523,7 +523,7 @@ int device_monitor_send_device(
                 return log_debug_errno(r, "Failed to get device subsystem: %m");
         nlh.filter_subsystem_hash = htobe32(string_hash32(val));
 
-        if (sd_device_get_devtype(device, &val) >= 0 && val)
+        if (sd_device_get_devtype(device, &val) >= 0)
                 nlh.filter_devtype_hash = htobe32(string_hash32(val));
 
         /* add tag bloom filter */