diff --git a/src/saved_game.cpp b/src/saved_game.cpp
index 2fd86dc0329e..c8e3c859152a 100644
--- a/src/saved_game.cpp
+++ b/src/saved_game.cpp
@@ -8,7 +8,7 @@
 #include "serialization/binary_or_text.hpp"
 #include "util.hpp"
 
-#include <boost\foreach.hpp>
+#include <boost/foreach.hpp>
 
 static lg::log_domain log_engine("engine");
 #define ERR_NG LOG_STREAM(err, log_engine)