diff --git a/Standardize.md b/Standardize.md
index bcb30d12..0a845e91 100644
--- a/Standardize.md
+++ b/Standardize.md
@@ -34,6 +34,15 @@ Here, "TheProject.rc" must be replaced with the actual resource file name for th
 
 File "resource.h" should not use include guard.
 
+If the rc file has #include's of the system headers, then the includes should be wrapped as follows:
+
+```c
+#define APSTUDIO_HIDDEN_SYMBOLS
+#include <windows.h>
+#include <commctrl.h>
+#undef APSTUDIO_HIDDEN_SYMBOLS
+```
+
 The contents of file "resource.h" should end with the text like:
 
 ```c
diff --git a/src/RisohEditor.cpp b/src/RisohEditor.cpp
index d80c0b18..99c892d4 100644
--- a/src/RisohEditor.cpp
+++ b/src/RisohEditor.cpp
@@ -5191,8 +5191,10 @@ BOOL MMainWnd::DoWriteRC(LPCWSTR pszFileName, LPCWSTR pszResH)
     // dump header
     if (pszResH && pszResH[0])
         file.WriteFormatA("#include \"resource.h\"\r\n");
+    file.WriteFormatA("#define APSTUDIO_HIDDEN_SYMBOLS\r\n");
     file.WriteFormatA("#include <windows.h>\r\n");
     file.WriteFormatA("#include <commctrl.h>\r\n");
+    file.WriteFormatA("#undef APSTUDIO_HIDDEN_SYMBOLS\r\n");
     file.WriteFormatA("#pragma code_page(65001) // UTF-8\r\n\r\n");
 
     // get languages