diff --git a/ecmascript/compiler/number_speculative_lowering.cpp b/ecmascript/compiler/number_speculative_lowering.cpp
index 96e6d71901..23f4b50fee 100644
--- a/ecmascript/compiler/number_speculative_lowering.cpp
+++ b/ecmascript/compiler/number_speculative_lowering.cpp
@@ -80,6 +80,10 @@ void NumberSpeculativeLowering::VisitGate(GateRef gate)
             VisitLoadElement(gate);
             break;
         }
+        case OpCode::INDEX_CHECK: {
+            VisitIndexCheck(gate);
+            break;
+        }
         case OpCode::LOAD_ARRAY_LENGTH:
         case OpCode::LOAD_TYPED_ARRAY_LENGTH: {
             VisitLoadArrayLength(gate);
@@ -494,6 +498,12 @@ void NumberSpeculativeLowering::VisitPhi(GateRef gate)
     }
 }
 
+void NumberSpeculativeLowering::VisitIndexCheck(GateRef gate)
+{
+    acc_.SetGateType(gate, GateType::NJSValue());
+    acc_.SetMachineType(gate, MachineType::I32);
+}
+
 void NumberSpeculativeLowering::VisitLoadArrayLength(GateRef gate)
 {
     acc_.SetGateType(gate, GateType::NJSValue());
diff --git a/ecmascript/compiler/number_speculative_lowering.h b/ecmascript/compiler/number_speculative_lowering.h
index 47cdc1ee9c..a7e2965b41 100644
--- a/ecmascript/compiler/number_speculative_lowering.h
+++ b/ecmascript/compiler/number_speculative_lowering.h
@@ -45,6 +45,7 @@ private:
     void VisitUndefinedStrictEq(GateRef gate);
     void VisitCallBuiltins(GateRef gate);
     void VisitRangeGuard(GateRef gate);
+    void VisitIndexCheck(GateRef gate);
     void VisitLoadArrayLength(GateRef gate);
     void VisitLoadElement(GateRef gate);
     void VisitLoadProperty(GateRef gate);