diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index bc117733e8ef..914b90af42ed 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -35,12 +35,13 @@ void handle_syscall(struct uml_pt_regs *r)
 	/*
 	 * If no time passes, then sched_yield may not actually yield, causing
 	 * broken spinlock implementations in userspace (ASAN) to hang for long
-	 * periods of time.
+	 * periods of time. Advance the time-travel clock a bit so sched_yield()
+	 * in a loop (like ping does for small intervals) also works correctly.
 	 */
 	if ((time_travel_mode == TT_MODE_INFCPU ||
 	     time_travel_mode == TT_MODE_EXTERNAL) &&
 	    syscall == __NR_sched_yield)
-		tt_extra_sched_jiffies += 1;
+		time_travel_ndelay(1000);
 
 	if (syscall >= 0 && syscall < __NR_syscalls) {
 		unsigned long ret;