diff --git a/camera/CameraMetadata.cpp b/camera/CameraMetadata.cpp
index 2e808d1..424923a 100644
--- a/camera/CameraMetadata.cpp
+++ b/camera/CameraMetadata.cpp
@@ -880,7 +880,7 @@
     return OK;
 }
 
-metadata_vendor_id_t CameraMetadata::getVendorId() {
+metadata_vendor_id_t CameraMetadata::getVendorId() const {
     return get_camera_metadata_vendor_id(mBuffer);
 }
 
diff --git a/camera/include/camera/CameraMetadata.h b/camera/include/camera/CameraMetadata.h
index c56ee6d..2903dfb 100644
--- a/camera/include/camera/CameraMetadata.h
+++ b/camera/include/camera/CameraMetadata.h
@@ -245,7 +245,7 @@
     /**
      * Return the current vendor tag id associated with this metadata.
      */
-    metadata_vendor_id_t getVendorId();
+    metadata_vendor_id_t getVendorId() const;
 
   private:
     camera_metadata_t *mBuffer;