diff --git a/common/common.h b/common/common.h
index 2adb310b8..b7d85b5dd 100644
--- a/common/common.h
+++ b/common/common.h
@@ -14,6 +14,7 @@
 #include <vector>
 #include <map>
 #include <algorithm>
+#include <fstream>
 
 #if defined(_WIN32) && !defined(_WIN32_WINNT)
 #define _WIN32_WINNT 0x0A00