diff --git a/bc/system/file/posix/Stacked.cpp b/bc/system/file/posix/Stacked.cpp
index 75d4092..4b4e605 100644
--- a/bc/system/file/posix/Stacked.cpp
+++ b/bc/system/file/posix/Stacked.cpp
@@ -2,6 +2,7 @@
 #include "bc/file/Defines.hpp"
 #if defined(WHOA_SYSTEM_LINUX) || defined(WHOA_SYSTEM_MAC)
 
+#include "bc/system/file/System_File.hpp"
 #include "bc/system/file/Stacked.hpp"
 #include "bc/Debug.hpp"
 #include "bc/File.hpp"
diff --git a/bc/system/file/win/Stacked.cpp b/bc/system/file/win/Stacked.cpp
index ca6b696..24958ad 100644
--- a/bc/system/file/win/Stacked.cpp
+++ b/bc/system/file/win/Stacked.cpp
@@ -1,5 +1,6 @@
 #if defined(WHOA_SYSTEM_WIN)
 
+#include "bc/system/file/System_File.hpp"
 #include "bc/system/file/Stacked.hpp"
 #include "bc/string/QuickFormat.hpp"
 #include "bc/File.hpp"