diff --git a/runtime/utils.cc b/runtime/utils.cc
index 1211547..7234ec0 100644
--- a/runtime/utils.cc
+++ b/runtime/utils.cc
@@ -1118,7 +1118,7 @@
 }
 
 void DumpNativeStack(std::ostream& os, pid_t tid, const char* prefix,
-    mirror::ArtMethod* current_method) {
+    mirror::ArtMethod* current_method, void* ucontext_ptr) {
 #if __linux__
   // b/18119146
   if (RUNNING_ON_VALGRIND != 0) {
@@ -1134,7 +1134,7 @@
 #endif
 
   std::unique_ptr<Backtrace> backtrace(Backtrace::Create(BACKTRACE_CURRENT_PROCESS, tid));
-  if (!backtrace->Unwind(0)) {
+  if (!backtrace->Unwind(0, reinterpret_cast<ucontext*>(ucontext_ptr))) {
     os << prefix << "(backtrace::Unwind failed for thread " << tid << ")\n";
     return;
   } else if (backtrace->NumFrames() == 0) {