diff --git a/cast_auth/mediadrm/DrmPlugin.cpp b/cast_auth/mediadrm/DrmPlugin.cpp
index b6b896e..00b7956 100644
--- a/cast_auth/mediadrm/DrmPlugin.cpp
+++ b/cast_auth/mediadrm/DrmPlugin.cpp
@@ -133,7 +133,7 @@ std::vector<uint8_t> readBinaryFile(const std::string& file_path) {
     dlclose(cast_auth_handle);
     if (res == 0) {
         *_aidl_return = signature;
-        status = Status::OK;
+        return toNdkScopedAStatus(Status::OK);
     }
     ALOGE("Get empty result from TA");
     return toNdkScopedAStatus(status);