diff --git a/plugins/GSdx/GSLocalMemory.cpp b/plugins/GSdx/GSLocalMemory.cpp
index fcc712150a..a0fe87fe6d 100644
--- a/plugins/GSdx/GSLocalMemory.cpp
+++ b/plugins/GSdx/GSLocalMemory.cpp
@@ -84,6 +84,8 @@ GSLocalMemory::GSLocalMemory()
 	: m_clut(this)
 {
 	m_vm8 = (uint8*)vmalloc(m_vmsize * 2, false);
+	m_vm16 = (uint16*)m_vm8;
+	m_vm32 = (uint32*)m_vm8;
 
 	memset(m_vm8, 0, m_vmsize);
 
diff --git a/plugins/GSdx/GSLocalMemory.h b/plugins/GSdx/GSLocalMemory.h
index 838618d8e5..c6cf33dd9d 100644
--- a/plugins/GSdx/GSLocalMemory.h
+++ b/plugins/GSdx/GSLocalMemory.h
@@ -94,7 +94,9 @@ public:
 
 	static const int m_vmsize = 1024 * 1024 * 4;
 
-	union {uint8* m_vm8; uint16* m_vm16; uint32* m_vm32;};
+	uint8* m_vm8; 
+	uint16* m_vm16; 
+	uint32* m_vm32;
 
 	GSClut m_clut;