diff --git a/mlir/lib/Dialect/SPIRV/Transforms/UnifyAliasedResourcePass.cpp b/mlir/lib/Dialect/SPIRV/Transforms/UnifyAliasedResourcePass.cpp
--- a/mlir/lib/Dialect/SPIRV/Transforms/UnifyAliasedResourcePass.cpp
+++ b/mlir/lib/Dialect/SPIRV/Transforms/UnifyAliasedResourcePass.cpp
@@ -506,8 +506,9 @@
               dstElemVecType.getElementType()) {
             int64_t count =
                 dstNumBytes / (srcElemVecType.getElementTypeBitWidth() / 8);
-            auto castType =
-                VectorType::get({count}, srcElemVecType.getElementType());
+            auto castType = srcElemVecType.getElementType();
+            if (count > 1)
+              castType = VectorType::get({count}, castType);
             for (auto &c : components)
               c = rewriter.create<spirv::BitcastOp>(loc, castType, c);
           }