diff --git a/src/libraries/glslang/glslang/Include/PoolAlloc.h b/src/libraries/glslang/glslang/Include/PoolAlloc.h
index 0e237a6a2..cc7f4000e 100644
--- a/src/libraries/glslang/glslang/Include/PoolAlloc.h
+++ b/src/libraries/glslang/glslang/Include/PoolAlloc.h
@@ -281,6 +281,8 @@ public:
     pool_allocator(TPoolAllocator& a) : allocator(a) { }
     pool_allocator(const pool_allocator<T>& p) : allocator(p.allocator) { }
 
+    pool_allocator& operator=(const pool_allocator&) { return *this; }
+
     template<class Other>
         pool_allocator(const pool_allocator<Other>& p) : allocator(p.getAllocator()) { }
 
@@ -308,7 +310,6 @@ public:
     TPoolAllocator& getAllocator() const { return allocator; }
 
 protected:
-    pool_allocator& operator=(const pool_allocator&) { return *this; }
     TPoolAllocator& allocator;
 };