diff --git a/compiler/optimizing/ssa_builder.cc b/compiler/optimizing/ssa_builder.cc
index 35aa1b1..52ee3fb 100644
--- a/compiler/optimizing/ssa_builder.cc
+++ b/compiler/optimizing/ssa_builder.cc
@@ -233,7 +233,7 @@
 }
 
 void SsaBuilder::RunPrimitiveTypePropagation() {
-  ArenaVector<HPhi*> worklist(graph_->GetArena()->Adapter());
+  ArenaVector<HPhi*> worklist(graph_->GetArena()->Adapter(kArenaAllocGraphBuilder));
 
   for (HReversePostOrderIterator it(*graph_); !it.Done(); it.Advance()) {
     HBasicBlock* block = it.Current();
@@ -319,7 +319,7 @@
   // uses (because they are untyped) and environment uses (if --debuggable).
   // After resolving all ambiguous ArrayGets, we will re-run primitive type
   // propagation on the Phis which need to be updated.
-  ArenaVector<HPhi*> worklist(graph_->GetArena()->Adapter());
+  ArenaVector<HPhi*> worklist(graph_->GetArena()->Adapter(kArenaAllocGraphBuilder));
 
   {
     ScopedObjectAccess soa(Thread::Current());