diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 8e96c6dc..47efe90 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -28,7 +28,7 @@
 
 int is_skas_winch(int pid, int fd, void *data)
 {
-	if (pid != os_getpgrp())
+	if (pid != getpgrp())
 		return 0;
 
 	register_winch_irq(-1, fd, -1, data, 0);
@@ -233,7 +233,7 @@
 			      "failed - errno = %d\n", errno);
 	}
 
-	os_stop_process(os_getpid());
+	kill(os_getpid(), SIGSTOP);
 	return 0;
 }