diff --git a/compiler/utils/assembler.cc b/compiler/utils/assembler.cc
index 25eca23..944c64b 100644
--- a/compiler/utils/assembler.cc
+++ b/compiler/utils/assembler.cc
@@ -25,10 +25,10 @@
 
 namespace art {
 
-AssemblerBuffer::AssemblerBuffer(ArenaAllocator* arena)
-    : arena_(arena) {
+AssemblerBuffer::AssemblerBuffer(ArenaAllocator* allocator)
+    : allocator_(allocator) {
   static const size_t kInitialBufferCapacity = 4 * KB;
-  contents_ = arena_->AllocArray<uint8_t>(kInitialBufferCapacity, kArenaAllocAssembler);
+  contents_ = allocator_->AllocArray<uint8_t>(kInitialBufferCapacity, kArenaAllocAssembler);
   cursor_ = contents_;
   limit_ = ComputeLimit(contents_, kInitialBufferCapacity);
   fixup_ = nullptr;
@@ -45,8 +45,8 @@
 
 
 AssemblerBuffer::~AssemblerBuffer() {
-  if (arena_->IsRunningOnMemoryTool()) {
-    arena_->MakeInaccessible(contents_, Capacity());
+  if (allocator_->IsRunningOnMemoryTool()) {
+    allocator_->MakeInaccessible(contents_, Capacity());
   }
 }
 
@@ -81,7 +81,7 @@
 
   // Allocate the new data area and copy contents of the old one to it.
   contents_ = reinterpret_cast<uint8_t*>(
-      arena_->Realloc(contents_, old_capacity, new_capacity, kArenaAllocAssembler));
+      allocator_->Realloc(contents_, old_capacity, new_capacity, kArenaAllocAssembler));
 
   // Update the cursor and recompute the limit.
   cursor_ = contents_ + old_size;