diff --git a/mlir/include/mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.td b/mlir/include/mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.td
--- a/mlir/include/mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.td
+++ b/mlir/include/mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.td
@@ -2036,6 +2036,8 @@
       `:` type($target)
   }];
 
+  let hasVerifier = 1;
+
   let extraClassDeclaration = [{
     // TODO: applyToOne.
     ::mlir::DiagnosedSilenceableFailure apply(
diff --git a/mlir/lib/Dialect/Linalg/TransformOps/LinalgTransformOps.cpp b/mlir/lib/Dialect/Linalg/TransformOps/LinalgTransformOps.cpp
--- a/mlir/lib/Dialect/Linalg/TransformOps/LinalgTransformOps.cpp
+++ b/mlir/lib/Dialect/Linalg/TransformOps/LinalgTransformOps.cpp
@@ -3065,6 +3065,14 @@
   return getMixedValues(getStaticVectorSizes(), getVectorSizes(), b);
 }
 
+LogicalResult transform::MaskedVectorizeOp::verify() {
+  if (getStaticVectorSizes().size() != getScalableSizes().size())
+    return emitOpError("expected same number of vector sizes (")
+           << getStaticVectorSizes().size() << ") and scalable sizes ("
+           << getScalableSizes().size() << ")";
+  return success();
+}
+
 //===----------------------------------------------------------------------===//
 // HoistRedundantVectorTransfersOp
 //===----------------------------------------------------------------------===//