diff --git a/Code/Mantid/Framework/CurveFitting/src/MSVesuvioHelpers.cpp b/Code/Mantid/Framework/CurveFitting/src/MSVesuvioHelpers.cpp
index 9b51dfac49f4894db4d24a50fc8a930f252c72b2..a55a3a1343651f7247de038bb7a5035d54b223a1 100644
--- a/Code/Mantid/Framework/CurveFitting/src/MSVesuvioHelpers.cpp
+++ b/Code/Mantid/Framework/CurveFitting/src/MSVesuvioHelpers.cpp
@@ -4,6 +4,7 @@
 #include "MantidCurveFitting/MSVesuvioHelpers.h"
 
 #include <algorithm>
+#include <numeric>
 
 namespace Mantid { namespace CurveFitting
 {