diff --git a/sl.c b/sl.c
index e549ac8c..3e15c8c2 100644
--- a/sl.c
+++ b/sl.c
@@ -91,6 +91,8 @@ int main(int argc, char *argv[])
     }
     initscr();
     signal(SIGINT, SIG_IGN);
+    signal(SIGTSTP, SIG_IGN);
+    signal(SIGQUIT, SIG_IGN);
     noecho();
     curs_set(0);
     nodelay(stdscr, TRUE);