diff --git a/include/richedit.h b/include/richedit.h
index 33eb38beaab8a2675e83c3aae9fb75a88f57347e..f976584fd439bcaa4ee33f02c12b1678ec5c5486 100644
--- a/include/richedit.h
+++ b/include/richedit.h
@@ -15,7 +15,7 @@ extern "C" {
 #define cchTextLimitDefault 0x7fff
 
 #define RICHEDIT_CLASS20A	"RichEdit20A"
-#define RICHEDIT_CLASS20W	L"RichEdit20W"
+static const WCHAR RICHEDIT_CLASS20W[] = { 'R','i','c','h','E','d','i','t','2','0','W', '\0' };
 #define RICHEDIT_CLASS10A	"RICHEDIT"
 
 #if (_RICHEDIT_VER >= 0x0200 )