diff -Nur a/src/partclone.c b/src/partclone.c
--- a/src/partclone.c	2022-03-10 18:54:27.177629520 +0800
+++ b/src/partclone.c	2022-03-10 18:54:05.473272293 +0800
@@ -839,7 +839,7 @@
 			if (log_exit)
 				wattron(log_win, A_STANDOUT);
 
-			wprintw(log_win, tmp_str);
+			wprintw(log_win, "%s", tmp_str);
 
 			if (log_exit) {
 				wattroff(log_win, A_STANDOUT);
