diff --git a/camera/device/default/ExternalCameraDevice.cpp b/camera/device/default/ExternalCameraDevice.cpp
index 649bf43f49..8e8474800f 100644
--- a/camera/device/default/ExternalCameraDevice.cpp
+++ b/camera/device/default/ExternalCameraDevice.cpp
@@ -497,6 +497,9 @@ status_t ExternalCameraDevice::initDefaultCharsKeys(
     const int32_t maxLatency = ANDROID_SYNC_MAX_LATENCY_UNKNOWN;
     UPDATE(ANDROID_SYNC_MAX_LATENCY, &maxLatency, 1);
 
+    const uint8_t sensorReadoutTimestamp = ANDROID_SENSOR_READOUT_TIMESTAMP_NOT_SUPPORTED;
+    UPDATE(ANDROID_SENSOR_READOUT_TIMESTAMP, &sensorReadoutTimestamp, 1);
+
     /* Other sensor/RAW related keys:
      * android.sensor.info.colorFilterArrangement -> no need if we don't do RAW
      * android.sensor.info.physicalSize           -> not available
@@ -1002,4 +1005,4 @@ binder_status_t ExternalCameraDevice::dump(int fd, const char** args, uint32_t n
 }  // namespace device
 }  // namespace camera
 }  // namespace hardware
-}  // namespace android
\ No newline at end of file
+}  // namespace android