1 files changed, 4 insertions, 3 deletions
diff --git a/system.hh b/system.hh
index 138af88a..a61e168e 100644
--- a/system.hh
+++ b/system.hh
@@ -21,16 +21,17 @@
 
 #include <algorithm>
 #include <exception>
-#include <fstream>
 #include <iostream>
+#include <streambuf>
+#include <iomanip>
+#include <fstream>
+#include <sstream>
 #include <iterator>
 #include <list>
 #include <map>
 #include <memory>
 #include <new>
-#include <sstream>
 #include <stack>
-#include <streambuf>
 #include <string>
 #include <vector>