diff --git a/core/vm/dasigners.go b/core/vm/dasigners.go
index 4799d4758f..355c3d2512 100644
--- a/core/vm/dasigners.go
+++ b/core/vm/dasigners.go
@@ -79,6 +79,9 @@ func (d *DASignersPrecompile) Address() common.Address {
 
 // RequiredGas implements vm.PrecompiledContract.
 func (d *DASignersPrecompile) RequiredGas(input []byte) uint64 {
+	if len(input) < 4 {
+		return DASignersRequiredGasMax
+	}
 	method, err := d.abi.MethodById(input[:4])
 	if err != nil {
 		return DASignersRequiredGasMax
diff --git a/core/vm/wrapped_a0gi_base.go b/core/vm/wrapped_a0gi_base.go
index af5633618f..77a6515e80 100644
--- a/core/vm/wrapped_a0gi_base.go
+++ b/core/vm/wrapped_a0gi_base.go
@@ -60,6 +60,9 @@ func (w *WrappedA0giBasePrecompile) Address() common.Address {
 
 // RequiredGas implements vm.PrecompiledContract.
 func (w *WrappedA0giBasePrecompile) RequiredGas(input []byte) uint64 {
+	if len(input) < 4 {
+		return WrappedA0GIBaseRequiredGasMax
+	}
 	method, err := w.abi.MethodById(input[:4])
 	if err != nil {
 		return WrappedA0GIBaseRequiredGasMax