diff --git a/eo/src/eoExceptions.h b/eo/src/eoExceptions.h
index 4d56ddb95..56b5fbfd8 100644
--- a/eo/src/eoExceptions.h
+++ b/eo/src/eoExceptions.h
@@ -26,6 +26,7 @@ Johann Dréo <johann.dreo@thalesgroup.com>
 
 #include <ctime>
 #include <stdexcept>
+#include <sstream>
 
 class eoMaxException : public std::exception {};