diff --git "a/dll/win32/riched20/richole.c" "b/dll/win32/riched20/richole.c"
index 72840a4cafa..52e50479e40 100644
--- "a/dll/win32/riched20/richole.c"
+++ "b/dll/win32/riched20/richole.c"
@@ -1615,7 +1615,7 @@ static HRESULT WINAPI ITextRange_fnSetText(ITextRange *me, BSTR str)
 
 static HRESULT range_GetChar(ME_TextEditor *editor, ME_Cursor *cursor, LONG *pch)
 {
-    WCHAR wch[2];
+    WCHAR wch[3];
 
     ME_GetTextW(editor, wch, 1, cursor, 1, FALSE, !para_next( para_next( cursor->para ) ));
     *pch = wch[0];