diff --git a/include/llvm/Support/Allocator.h b/include/llvm/Support/Allocator.h
index cdd48e0ab03..774363fb491 100644
--- a/include/llvm/Support/Allocator.h
+++ b/include/llvm/Support/Allocator.h
@@ -370,7 +370,7 @@ public:
   ~SpecificBumpPtrAllocator() { DestroyAll(); }
 
   SpecificBumpPtrAllocator &operator=(SpecificBumpPtrAllocator &&RHS) {
-    Allocator = RHS.Allocator;
+    Allocator = std::move(RHS.Allocator);
     return *this;
   }