2 files changed, 4 insertions, 0 deletions

diff --git a/src/video_core/rasterizer_accelerated.cpp b/src/video_core/rasterizer_accelerated.cpp
index 3abfd5ff3..3c9477f6e 100644
--- a/src/video_core/rasterizer_accelerated.cpp
+++ b/src/video_core/rasterizer_accelerated.cpp
@@ -29,6 +29,8 @@ RasterizerAccelerated::RasterizerAccelerated(Memory& cpu_memory_) : map{}, cpu_m
 RasterizerAccelerated::~RasterizerAccelerated() = default;
 
 void RasterizerAccelerated::UpdatePagesCachedCount(VAddr addr, u64 size, bool cache) {
+    std::scoped_lock lk{map_lock};
+
     // Align sizes.
     addr = Common::AlignDown(addr, YUZU_PAGESIZE);
     size = Common::AlignUp(size, YUZU_PAGESIZE);
diff --git a/src/video_core/rasterizer_accelerated.h b/src/video_core/rasterizer_accelerated.h
index cd1c706de..f1968f186 100644
--- a/src/video_core/rasterizer_accelerated.h
+++ b/src/video_core/rasterizer_accelerated.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <mutex>
 #include <boost/icl/interval_map.hpp>
 
 #include "common/common_types.h"
@@ -30,6 +31,7 @@ private:
     using IntervalType = IntervalMap::interval_type;
 
     IntervalMap map;
+    std::mutex map_lock;
     Core::Memory::Memory& cpu_memory;
 };