diff --git a/src/audio_core/hle/filter.cpp b/src/audio_core/hle/filter.cpp
index 6dcfc79a7..25f39a493 100644
--- a/src/audio_core/hle/filter.cpp
+++ b/src/audio_core/hle/filter.cpp
@@ -67,7 +67,7 @@ std::array<s16, 2> SourceFilters::SimpleFilter::ProcessSample(const std::array<s
     std::array<s16, 2> y0;
     for (std::size_t i = 0; i < 2; i++) {
         const s32 tmp = (b0 * x0[i] + a1 * y1[i]) >> 15;
-        y0[i] = std::clamp(tmp, -32768, 32767);
+        y0[i] = std::clamp(tmp, -32768, 32768);
     }
 
     y1 = y0;
diff --git a/src/core/hle/service/gsp/gsp_gpu.cpp b/src/core/hle/service/gsp/gsp_gpu.cpp
index 374bbe3c6..914e07b03 100644
--- a/src/core/hle/service/gsp/gsp_gpu.cpp
+++ b/src/core/hle/service/gsp/gsp_gpu.cpp
@@ -362,7 +362,8 @@ void GSP_GPU::SignalInterruptForThread(InterruptId interrupt_id, u32 thread_id)
         auto* info = GetFrameBufferInfo(thread_id, screen_id);
         if (info->is_dirty) {
             system.GPU().SetBufferSwap(screen_id, info->framebuffer_info[info->index]);
-            info->is_dirty.Assign(false);
+            // Decompiling the GSP module shows that the dirty bit is assigned 1 for top screen, 0 for bottom
+            info->is_dirty.Assign(screen_id == 0);
         }
     }