diff --git a/src/base/application.cpp b/src/base/application.cpp
index 47ceb2f6d..c6c60c7ce 100644
--- a/src/base/application.cpp
+++ b/src/base/application.cpp
@@ -8,6 +8,7 @@
 #include "units.h"
 
 #include <fstream>
+#include <sstream>
 #include <functional>
 
 using std::string;