diff --git a/rpcs3/Emu/Cell/lv2/sys_timer.cpp b/rpcs3/Emu/Cell/lv2/sys_timer.cpp
index 68d29ea82c4a..4816a4ef3f1c 100644
--- a/rpcs3/Emu/Cell/lv2/sys_timer.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_timer.cpp
@@ -95,7 +95,7 @@ u64 lv2_timer::check_unlocked(u64 _now) noexcept
 		// Set next expiration time and check again
 		const u64 expire0 = utils::add_saturate<u64>(next, period);
 		expire.release(expire0);
-		return expire0 - _now;
+		return utils::sub_saturate<u64>(expire0, _now);
 	}
 
 	// Stop after oneshot
@@ -144,13 +144,16 @@ void lv2_timer_thread::operator()()
 
 		for (const auto& timer : timers)
 		{
-			if (lv2_obj::check(timer))
+			while (lv2_obj::check(timer))
 			{
-				const u64 advised_sleep_time = timer->check(_now);
-
-				if (sleep_time > advised_sleep_time)
+				if (const u64 advised_sleep_time = timer->check(_now))
 				{
-					sleep_time = advised_sleep_time;
+					if (sleep_time > advised_sleep_time)
+					{
+						sleep_time = advised_sleep_time;
+					}
+
+					break;
 				}
 			}
 		}