diff --git a/compiler/optimizing/graph_checker.h b/compiler/optimizing/graph_checker.h
index 52252cd..8da8457 100644
--- a/compiler/optimizing/graph_checker.h
+++ b/compiler/optimizing/graph_checker.h
@@ -30,7 +30,10 @@
     : HGraphDelegateVisitor(graph),
       errors_(graph->GetArena()->Adapter(kArenaAllocGraphChecker)),
       dump_prefix_(dump_prefix),
-      seen_ids_(graph->GetArena(), graph->GetCurrentInstructionId(), false) {}
+      seen_ids_(graph->GetArena(),
+                graph->GetCurrentInstructionId(),
+                false,
+                kArenaAllocGraphChecker) {}
 
   // Check the whole graph (in reverse post-order).
   void Run() {