diff --git a/test/testtimer.cpp b/test/testtimer.cpp
index d74196305..25c10b343 100644
--- a/test/testtimer.cpp
+++ b/test/testtimer.cpp
@@ -35,10 +35,10 @@ private:
 
     void result() const {
         TimerResultsData t1;
-        t1._clocks = ~(std::clock_t)0;
+        t1.mClocks = ~(std::clock_t)0;
         ASSERT(t1.seconds() > 100.0);
 
-        t1._clocks = CLOCKS_PER_SEC * 5 / 2;
+        t1.mClocks = CLOCKS_PER_SEC * 5 / 2;
         ASSERT(std::fabs(t1.seconds()-2.5) < 0.01);
     }
 };