diff --git a/0.76b_My_PuTTY/terminal/terminal.c b/0.76b_My_PuTTY/terminal/terminal.c
index f33e77c..3b9ee7b 100644
--- a/0.76b_My_PuTTY/terminal/terminal.c
+++ b/0.76b_My_PuTTY/terminal/terminal.c
@@ -3559,6 +3559,10 @@ static void do_osc(Terminal *term)
 
                                             if (OpenClipboard(NULL)) {
 
+                                                // some clients don't flush the buffer before setting data,
+                                                // so we'll do that here just in case
+                                                EmptyClipboard();
+
                                                 if (!SetClipboardData(fmt, (HANDLE)hData)) {
                                                     GlobalFree(hData);
                                                 } else {