diff --git a/reactos/win32ss/user/ntuser/message.c b/reactos/win32ss/user/ntuser/message.c
index 5b4c27ff1b5..6d01944aceb 100644
--- a/reactos/win32ss/user/ntuser/message.c
+++ b/reactos/win32ss/user/ntuser/message.c
@@ -128,6 +128,7 @@ static MSGMEMORY g_MsgMemory[] =
     { WM_SETTEXT, MMS_SIZE_LPARAMSZ, MMS_FLAG_READ },
     { WM_STYLECHANGED, sizeof(STYLESTRUCT), MMS_FLAG_READ },
     { WM_STYLECHANGING, sizeof(STYLESTRUCT), MMS_FLAG_READWRITE },
+    { WM_SETTINGCHANGE, MMS_SIZE_LPARAMSZ, MMS_FLAG_READWRITE },
     { WM_COPYDATA, MMS_SIZE_SPECIAL, MMS_FLAG_READ },
     { WM_COPYGLOBALDATA, MMS_SIZE_WPARAM, MMS_FLAG_READ },
     { WM_WINDOWPOSCHANGED, sizeof(WINDOWPOS), MMS_FLAG_READ },