diff --git a/opm/core/simulator/AdaptiveSimulatorTimer.hpp b/opm/core/simulator/AdaptiveSimulatorTimer.hpp
index cd6c56b6..870fffd8 100644
--- a/opm/core/simulator/AdaptiveSimulatorTimer.hpp
+++ b/opm/core/simulator/AdaptiveSimulatorTimer.hpp
@@ -46,6 +46,9 @@ namespace Opm
         /// \brief advance time by currentStepLength
         AdaptiveSimulatorTimer& operator++ ();
 
+        /// \brief advance time by currentStepLength
+        void advance() { this->operator++ (); }
+
         /// \brief provide and estimate for new time step size
         void provideTimeStepEstimate( const double dt_estimate );
 
diff --git a/opm/core/simulator/SimulatorTimer.hpp b/opm/core/simulator/SimulatorTimer.hpp
index 8f9e7b0b..1f2e66b2 100644
--- a/opm/core/simulator/SimulatorTimer.hpp
+++ b/opm/core/simulator/SimulatorTimer.hpp
@@ -95,9 +95,12 @@ namespace Opm
         /// Note: if done(), it is an error to call report().
         void report(std::ostream& os) const;
 
-        /// Next step.
+        /// advance time by currentStepLength
         SimulatorTimer& operator++();
 
+        /// advance time by currentStepLength
+        void advance() { this->operator++(); }
+
         /// Return true if op++() has been called numSteps() times.
         bool done() const;
 
diff --git a/opm/core/simulator/SimulatorTimerInterface.hpp b/opm/core/simulator/SimulatorTimerInterface.hpp
index 25118fd2..c3cb9eee 100644
--- a/opm/core/simulator/SimulatorTimerInterface.hpp
+++ b/opm/core/simulator/SimulatorTimerInterface.hpp
@@ -75,6 +75,9 @@ namespace Opm
         /// beginning of the current time step [s].
         virtual double simulationTimeElapsed() const = 0;
 
+        /// advance time by currentStepLength
+        virtual void advance() = 0 ;
+
         /// Return true if timer indicates that simulation of timer interval is finished
         virtual bool done() const = 0;