diff --git a/src/gui.c b/src/gui.c
index a6e7655..4516b69 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -5117,7 +5117,7 @@
 		p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|");
 # endif
 		if (p != NULL)
-		    add_to_input_buf(p, (int)STRLEN(p));
+		    add_to_input_buf_csi(p, (int)STRLEN(p));
 		vim_free(p);
 		vim_free(fnames[i]);
 	    }