diff --git a/Benchmark/examples/Benchmark/simple.cpp b/Benchmark/examples/Benchmark/simple.cpp
index 2da154b4294..d659be5cb05 100644
--- a/Benchmark/examples/Benchmark/simple.cpp
+++ b/Benchmark/examples/Benchmark/simple.cpp
@@ -19,7 +19,7 @@ public:
   void sync(void) {}
   void op(void) { sqrt(n); }
 
-  void set(unsigned int u) { n = u; }
+  void set(double u) { n = u; }
 };
 
 namespace po = boost::program_options;