diff --git a/Source/Core/Core/HW/MMIO.h b/Source/Core/Core/HW/MMIO.h
index 41353b7858..35f83d8b99 100644
--- a/Source/Core/Core/HW/MMIO.h
+++ b/Source/Core/Core/HW/MMIO.h
@@ -92,10 +92,10 @@ public:
 	// Note that for reads we cannot simply return the read value because C++
 	// allows overloading only with parameter types, not return types.
 #define READ_FUNC(Size) \
-	void Read(u32 addr, u##Size& val) const \
+	void Read(u32 addr, u##Size* val) const \
 	{ \
 		u32 id = UniqueID(addr) / sizeof (u##Size); \
-		val = m_Read##Size##Handlers[id].Read(addr); \
+		*val = m_Read##Size##Handlers[id].Read(addr); \
 	}
 	READ_FUNC(8) READ_FUNC(16) READ_FUNC(32)
 #undef READ_FUNC
@@ -134,7 +134,7 @@ public:
 
 	// Dummy 64 bits variants of these functions. While 64 bits MMIO access is
 	// not supported, we need these in order to make the code compile.
-	void Read(u32 addr, u64& val) const { _dbg_assert_(MEMMAP, 0); }
+	void Read(u32 addr, u64* val) const { _dbg_assert_(MEMMAP, 0); }
 	void Write(u32 addr, u64 val) const { _dbg_assert_(MEMMAP, 0); }
 
 private:
diff --git a/Source/Core/Core/HW/MemmapFunctions.cpp b/Source/Core/Core/HW/MemmapFunctions.cpp
index 404df6aeee..895d861f05 100644
--- a/Source/Core/Core/HW/MemmapFunctions.cpp
+++ b/Source/Core/Core/HW/MemmapFunctions.cpp
@@ -98,7 +98,7 @@ inline void ReadFromHardware(T &_var, const u32 em_address, const u32 effective_
 		if (em_address < 0xcc000000)
 			_var = EFB_Read(em_address);
 		else
-			mmio_mapping->Read(em_address, _var);
+			mmio_mapping->Read(em_address, &_var);
 	}
 	else if (((em_address & 0xF0000000) == 0x80000000) ||
 		((em_address & 0xF0000000) == 0xC0000000) ||