diff --git a/src/Timer.cpp b/src/Timer.cpp
index 9461b0f5b..5d25dd4f4 100644
--- a/src/Timer.cpp
+++ b/src/Timer.cpp
@@ -54,7 +54,8 @@ Timer::~Timer ()
     << std::setprecision (6)
     << std::fixed
     << ((end.tv_sec - mStart.tv_sec) + ((end.tv_usec - mStart.tv_usec )
-       / 1000000.0));
+       / 1000000.0))
+    << " sec";
 
   context.debug (s.str ());
 }