diff --git a/src/core/arm/dynarmic/arm_exclusive_monitor.h b/src/core/arm/dynarmic/arm_exclusive_monitor.h
index 067d11f73..1da9264ac 100644
--- a/src/core/arm/dynarmic/arm_exclusive_monitor.h
+++ b/src/core/arm/dynarmic/arm_exclusive_monitor.h
@@ -32,7 +32,7 @@ public:
     bool ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) override;
 
 private:
-    friend class ARM_Dynarmic;
+    friend class ::ARM_Dynarmic;
     Dynarmic::ExclusiveMonitor monitor;
     Memory::MemorySystem& memory;
 };