diff --git a/compiler/optimizing/code_generator_arm.h b/compiler/optimizing/code_generator_arm.h
index d84f2d3..b871acd 100644
--- a/compiler/optimizing/code_generator_arm.h
+++ b/compiler/optimizing/code_generator_arm.h
@@ -301,7 +301,7 @@
 
   Label* GetFrameEntryLabel() { return &frame_entry_label_; }
 
-  void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, Register temp);
+  void GenerateStaticOrDirectCall(HInvokeStaticOrDirect* invoke, Location temp);
 
  private:
   // Labels for each block that will be compiled.