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-rw-r--r--src/emu/render.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/emu/render.h b/src/emu/render.h
index 5be63b085b5..e40c86b1c3c 100644
--- a/src/emu/render.h
+++ b/src/emu/render.h
@@ -389,7 +389,7 @@ private:
fixed_allocator<render_primitive> m_primitive_allocator;// allocator for primitives
fixed_allocator<reference> m_reference_allocator; // allocator for references
- std::mutex m_lock; // lock to protect list accesses
+ std::recursive_mutex m_lock; // lock to protect list accesses
};