diff --git a/camera/CameraMetadata.cpp b/camera/CameraMetadata.cpp
index 46bcc1d..fad57ba 100644
--- a/camera/CameraMetadata.cpp
+++ b/camera/CameraMetadata.cpp
@@ -621,7 +621,7 @@
     return res;
 }
 
-status_t CameraMetadata::readFromParcel(Parcel *parcel) {
+status_t CameraMetadata::readFromParcel(const Parcel *parcel) {
 
     ALOGV("%s: parcel = %p", __FUNCTION__, parcel);