diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index 31db8c2..d45653c 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -106,8 +106,7 @@
   }
 }
 
-typedef Disassembler* create_disasm_prototype(InstructionSet instruction_set,
-                                              DisassemblerOptions* options);
+using create_disasm_prototype = Disassembler*(InstructionSet, DisassemblerOptions*);
 class HGraphVisualizerDisassembler {
  public:
   HGraphVisualizerDisassembler(InstructionSet instruction_set,