diff --git a/runtime/openjdkjvm/OpenjdkJvm.cc b/runtime/openjdkjvm/OpenjdkJvm.cc
index d46d78c..2f51e27 100644
--- a/runtime/openjdkjvm/OpenjdkJvm.cc
+++ b/runtime/openjdkjvm/OpenjdkJvm.cc
@@ -364,7 +364,7 @@
                          jobject java_lock, jlong millis) {
   art::ScopedFastNativeObjectAccess soa(env);
   art::ObjPtr<art::mirror::Object> lock = soa.Decode<art::mirror::Object>(java_lock);
-  art::Monitor::Wait(art::Thread::Current(), lock.Decode(), millis, 0, true, art::kSleeping);
+  art::Monitor::Wait(art::Thread::Current(), lock.Ptr(), millis, 0, true, art::kSleeping);
 }
 
 JNIEXPORT jobject JVM_CurrentThread(JNIEnv* env, jclass unused ATTRIBUTE_UNUSED) {
@@ -399,7 +399,7 @@
     art::ThrowNullPointerException("object == null");
     return JNI_FALSE;
   }
-  return soa.Self()->HoldsLock(object.Decode());
+  return soa.Self()->HoldsLock(object.Ptr());
 }
 
 JNIEXPORT void JVM_SetNativeThreadName(JNIEnv* env, jobject jthread, jstring java_name) {