diff --git a/boost/numeric/odeint/integrate/detail/integrate_const.hpp b/boost/numeric/odeint/integrate/detail/integrate_const.hpp
index 81a9186b..312564ff 100644
--- a/boost/numeric/odeint/integrate/detail/integrate_const.hpp
+++ b/boost/numeric/odeint/integrate/detail/integrate_const.hpp
@@ -93,7 +93,7 @@ size_t integrate_const(
         time = start_time + static_cast< typename unit_value_type<Time>::type >(step) * time_step;
     }
     obs( start_state , time );
-    
+
     return real_steps;
 }