diff --git a/src/compiler/backend/instruction-selector.cc b/src/compiler/backend/instruction-selector.cc
index ce1fdf5d9c..d7fa926854 100644
--- a/src/compiler/backend/instruction-selector.cc
+++ b/src/compiler/backend/instruction-selector.cc
@@ -2965,7 +2965,7 @@ void InstructionSelector::CanonicalizeShuffle(bool inputs_equal,
 void InstructionSelector::CanonicalizeShuffle(Node* node, uint8_t* shuffle,
                                               bool* is_swizzle) {
   // Get raw shuffle indices.
-  memcpy(shuffle, OpParameter<uint8_t*>(node->op()), kSimd128Size);
+  memcpy(shuffle, S8x16ShuffleOf(node->op()), kSimd128Size);
   bool needs_swap;
   bool inputs_equal = GetVirtualRegister(node->InputAt(0)) ==
                       GetVirtualRegister(node->InputAt(1));
diff --git a/src/compiler/machine-operator.cc b/src/compiler/machine-operator.cc
index a1c95845a7..2fc8c9a542 100644
--- a/src/compiler/machine-operator.cc
+++ b/src/compiler/machine-operator.cc
@@ -1301,6 +1301,11 @@ const Operator* MachineOperatorBuilder::S8x16Shuffle(
                           2, 0, 0, 1, 0, 0, array);
 }
 
+const uint8_t* S8x16ShuffleOf(Operator const* op) {
+  DCHECK_EQ(IrOpcode::kS8x16Shuffle, op->opcode());
+  return OpParameter<uint8_t*>(op);
+}
+
 #undef PURE_BINARY_OP_LIST_32
 #undef PURE_BINARY_OP_LIST_64
 #undef MACHINE_PURE_OP_LIST
diff --git a/src/compiler/machine-operator.h b/src/compiler/machine-operator.h
index 95169e7b6d..ceab67decd 100644
--- a/src/compiler/machine-operator.h
+++ b/src/compiler/machine-operator.h
@@ -112,6 +112,9 @@ MachineRepresentation AtomicStoreRepresentationOf(Operator const* op)
 
 MachineType AtomicOpType(Operator const* op) V8_WARN_UNUSED_RESULT;
 
+V8_EXPORT_PRIVATE const uint8_t* S8x16ShuffleOf(Operator const* op)
+    V8_WARN_UNUSED_RESULT;
+
 // Interface for building machine-level operators. These operators are
 // machine-level but machine-independent and thus define a language suitable
 // for generating code to run on architectures such as ia32, x64, arm, etc.
diff --git a/src/compiler/simd-scalar-lowering.cc b/src/compiler/simd-scalar-lowering.cc
index cab398c160..af5c6de784 100644
--- a/src/compiler/simd-scalar-lowering.cc
+++ b/src/compiler/simd-scalar-lowering.cc
@@ -1347,7 +1347,7 @@ void SimdScalarLowering::LowerNode(Node* node) {
     }
     case IrOpcode::kS8x16Shuffle: {
       DCHECK_EQ(2, node->InputCount());
-      const uint8_t* shuffle = OpParameter<uint8_t*>(node->op());
+      const uint8_t* shuffle = S8x16ShuffleOf(node->op());
       Node** rep_left = GetReplacementsWithType(node->InputAt(0), rep_type);
       Node** rep_right = GetReplacementsWithType(node->InputAt(1), rep_type);
       Node** rep_node = zone()->NewArray<Node*>(16);