diff --git a/pkg/core/interop_neo.go b/pkg/core/interop_neo.go
index 4696ffdd7..9dacb49be 100644
--- a/pkg/core/interop_neo.go
+++ b/pkg/core/interop_neo.go
@@ -17,6 +17,8 @@ import (
 )
 
 const (
+	// MaxContractDescriptionLen is the maximum length for contract description.
+	MaxContractDescriptionLen = 65536
 	// MaxContractScriptSize is the maximum script size for a contract.
 	MaxContractScriptSize = 1024 * 1024
 	// MaxContractParametersNum is the maximum number of parameters for a contract.
@@ -494,7 +496,7 @@ func (ic *interopContext) createContractStateFromVM(v *vm.VM) (*state.Contract,
 		return nil, errors.New("too big email")
 	}
 	desc := v.Estack().Pop().Bytes()
-	if len(desc) > MaxContractStringLen {
+	if len(desc) > MaxContractDescriptionLen {
 		return nil, errors.New("too big description")
 	}
 	contract := &state.Contract{