Index: dll/win32/riched20/caret.c
===================================================================
--- dll/win32/riched20/caret.c	(revision 42296)
+++ dll/win32/riched20/caret.c	(working copy)
@@ -236,7 +236,7 @@
   if(editor->bHaveFocus && !ME_IsSelection(editor))
   {
     x = min(x, editor->rcFormat.right-1);
-    ITextHost_TxCreateCaret(editor->texthost, NULL, 0, height);
+    ITextHost_TxCreateCaret(editor->texthost, NULL, GetSystemMetrics(SM_CXBORDER), height);
     ITextHost_TxSetCaretPos(editor->texthost, x, y);
   }
 }