diff --git a/src/Platform/modules/BestResults.cc b/src/Platform/modules/BestResults.cc
index 035b45f..e015675 100644
--- a/src/Platform/modules/BestResults.cc
+++ b/src/Platform/modules/BestResults.cc
@@ -2,6 +2,7 @@
 #include <set>
 #include <fstream>
 #include <iostream>
+#include <sstream>
 #include <algorithm>
 #include "BestResults.h"
 #include "Result.h"