diff --git a/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp b/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp
--- a/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp
+++ b/mlir/lib/Dialect/Linalg/Transforms/Vectorization.cpp
@@ -1282,7 +1282,7 @@
 
 static LogicalResult vectorizeDynamicLinalgOpPrecondition(linalg::LinalgOp op) {
   // TODO: Masking only supports dynamic generic ops for now.
-  if (!isa<linalg::GenericOp, linalg::FillOp>(op))
+  if (!isa<linalg::GenericOp, linalg::FillOp, linalg::CopyOp>(op))
     return failure();
 
   LDBG("Dynamically-shaped op meets vectorization pre-conditions\n");