1 files changed, 5 insertions, 1 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 26be74df4..4e605fae4 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -383,6 +383,10 @@ struct Memory::Impl {
             return;
         }
 
+        if (Settings::IsFastmemEnabled()) {
+            system.DeviceMemory().buffer.Protect(vaddr, size, !debug, !debug);
+        }
+
         // Iterate over a contiguous CPU address space, marking/unmarking the region.
         // The region is at a granularity of CPU pages.
 
@@ -436,7 +440,7 @@ struct Memory::Impl {
         }
 
         if (Settings::IsFastmemEnabled()) {
-            const bool is_read_enable = Settings::IsGPULevelHigh() || !cached;
+            const bool is_read_enable = !Settings::IsGPULevelExtreme() || !cached;
             system.DeviceMemory().buffer.Protect(vaddr, size, is_read_enable, !cached);
         }