diff --git a/test/2011-stack-walk-concurrent-instrument/stack_walk_concurrent.cc b/test/2011-stack-walk-concurrent-instrument/stack_walk_concurrent.cc
index a185446..a10fe2e 100644
--- a/test/2011-stack-walk-concurrent-instrument/stack_walk_concurrent.cc
+++ b/test/2011-stack-walk-concurrent-instrument/stack_walk_concurrent.cc
@@ -81,7 +81,7 @@
   }
   bool timed_out = false;
   Thread* other = Runtime::Current()->GetThreadList()->SuspendThreadByPeer(
-      target, true, SuspendReason::kInternal, &timed_out);
+      target, SuspendReason::kInternal, &timed_out);
   CHECK(!timed_out);
   CHECK(other != nullptr);
   ScopedSuspendAll ssa(__FUNCTION__);