diff --git a/Tracking/TrkFitter/TrkiPatFitterUtils/TrkiPatFitterUtils/MeasurementProcessor.h b/Tracking/TrkFitter/TrkiPatFitterUtils/TrkiPatFitterUtils/MeasurementProcessor.h
index 1de558bda39e45a843c477db79f89daf3eee7b41..acb3c5d31230ec20fcedf4326c7ca673ea93a47b 100755
--- a/Tracking/TrkFitter/TrkiPatFitterUtils/TrkiPatFitterUtils/MeasurementProcessor.h
+++ b/Tracking/TrkFitter/TrkiPatFitterUtils/TrkiPatFitterUtils/MeasurementProcessor.h
@@ -72,7 +72,7 @@ private:
     ToolHandle<IIntersector>&		m_intersector;
     double				m_largeDeltaD0;
     double				m_largeDeltaPhi0;
-    std::list<FitMeasurement*>& 	m_measurements;
+    std::vector<FitMeasurement*>& 	m_measurements;
     //double				m_minDistanceForAngle;
     bool				m_numericDerivatives;
     FitParameters*			m_parameters;