diff --git a/libwvdrmengine/mediacrypto/aidl_src/WVCryptoPlugin.cpp b/libwvdrmengine/mediacrypto/aidl_src/WVCryptoPlugin.cpp
index 4e9a39d1..d2a26ef0 100644
--- a/libwvdrmengine/mediacrypto/aidl_src/WVCryptoPlugin.cpp
+++ b/libwvdrmengine/mediacrypto/aidl_src/WVCryptoPlugin.cpp
@@ -147,8 +147,7 @@ SharedBufferBase::~SharedBufferBase() {
   uint8_t* srcPtr = nullptr;
   void* destPtr = nullptr;
   // Convert parameters to the form the CDM wishes to consume them in.
-  const KeyId cryptoKey(reinterpret_cast<const char*>(in_args.keyId.data()),
-                        wvcdm::KEY_ID_SIZE);
+  const KeyId cryptoKey(in_args.keyId.begin(), in_args.keyId.end());
 
   // start scope for lock_guard
   {