diff --git a/window.c b/window.c
index a195cc6b..1ff3f288 100644
--- a/window.c
+++ b/window.c
@@ -3724,7 +3724,8 @@ void write_clip(wchar_t * data, int len, int must_deselect)
 		multilen = WideCharToMultiByte(CP_ACP, 0, unitab+uindex, 1,
 					       NULL, 0, NULL, NULL);
 		if (multilen != 1) {
-		    blen = sprintf(before, "{\\u%d", udata[uindex]);
+		    blen = sprintf(before, "{\\uc%d\\u%d", multilen,
+				   udata[uindex]);
 		    alen = 1; strcpy(after, "}");
 		} else {
 		    blen = sprintf(before, "\\u%d", udata[uindex]);