diff --git a/camera/hal/usb/camera_hal.cc b/camera/hal/usb/camera_hal.cc
index f54f207..269f1f3 100644
--- a/camera/hal/usb/camera_hal.cc
+++ b/camera/hal/usb/camera_hal.cc
@@ -685,6 +685,10 @@
       VLOGF(1) << "Use a new id " << info.camera_id << " for camera "
                << model_id;
     }
+
+    // Uses software timestamp from userspace for external cameras, because the
+    // hardware timestamp is not reliable and sometimes even jump backwards.
+    info.quirks |= kQuirkUserSpaceTimestamp;
   }
 
   android::CameraMetadata static_metadata, request_template;