diff --git a/UnleashedRecomp/apu/driver/sdl2_driver.cpp b/UnleashedRecomp/apu/driver/sdl2_driver.cpp
index e06e8a86..30156083 100644
--- a/UnleashedRecomp/apu/driver/sdl2_driver.cpp
+++ b/UnleashedRecomp/apu/driver/sdl2_driver.cpp
@@ -40,8 +40,6 @@ static void AudioThread()
     GuestThreadContext ctx(0);
 
     size_t channels = g_downMixToStereo ? 2 : XAUDIO_NUM_CHANNELS;
-    auto start = std::chrono::steady_clock::now();
-    int64_t iteration = 1;
 
     while (true)
     {
@@ -55,19 +53,14 @@ static void AudioThread()
             g_clientCallback(ctx.ppcContext, reinterpret_cast<uint8_t*>(g_memory.base));
         }
 
-        auto next = start + std::chrono::nanoseconds((iteration * XAUDIO_NUM_SAMPLES * 1000000000ll) / XAUDIO_SAMPLES_HZ);
         auto now = std::chrono::steady_clock::now();
+        constexpr auto INTERVAL = 1000000000ns * XAUDIO_NUM_SAMPLES / XAUDIO_SAMPLES_HZ;
+        auto next = now + (INTERVAL - now.time_since_epoch() % INTERVAL);
 
-        if ((next - now) < 1s)
-        {
-            std::this_thread::sleep_for(std::chrono::floor<std::chrono::milliseconds>(next - now));
+        std::this_thread::sleep_for(std::chrono::floor<std::chrono::milliseconds>(next - now));
 
-            while ((now = std::chrono::steady_clock::now()) < next)
-                std::this_thread::yield();
-        }
-
-        int64_t elapsed = std::chrono::nanoseconds(std::chrono::steady_clock::now() - start).count();
-        iteration = ((elapsed * XAUDIO_SAMPLES_HZ) / (XAUDIO_NUM_SAMPLES * 1000000000ll)) + 1;
+        while (std::chrono::steady_clock::now() < next)
+            std::this_thread::yield();
     }
 }