diff --git a/lib/modules/webserver/backend/contracts/components/contract-ui.js b/lib/modules/webserver/backend/contracts/components/contract-ui.js
index 164e06db9..04f1f5aae 100644
--- a/lib/modules/webserver/backend/contracts/components/contract-ui.js
+++ b/lib/modules/webserver/backend/contracts/components/contract-ui.js
@@ -84,14 +84,21 @@ class ContractUI extends React.Component {
                         </div>
                         <AccountList accountUpdate={this.updateAccounts} />
                         <h5>Deploy</h5>
-                        <FunctionArea contractName={this.props.name} contract={this.props.contract} type="constructor" />
+                        {
+                            this.props.definition.code == "" ? <p>Interface or set to not deploy</p>: ""
+                        }
+                        <FunctionArea definition={this.props.definition} contractName={this.props.name} contract={this.props.contract} type="constructor" />
                     </Tab>
 
                     <Tab id="functions" selectedTab={this.state.selectedTab}>
                         <h4 className="mb-5">Functions</h4>
-                        <InstanceSelector selectedInstance={this.state.selectedInstance} instanceUpdate={this.handleInstanceSelection} />
-                        <FunctionArea contractName={this.props.name} contract={this.props.contract} type="function" />
-                        <FunctionArea contractName={this.props.name} contract={this.props.contract} type="fallback" />
+                        {
+                            this.props.definition.code != "" ?
+                            <InstanceSelector selectedInstance={this.state.selectedInstance} instanceUpdate={this.handleInstanceSelection} />
+                            : ""
+                        }
+                        <FunctionArea definition={this.props.definition} contractName={this.props.name} contract={this.props.contract} type="function" />
+                        <FunctionArea definition={this.props.definition} contractName={this.props.name} contract={this.props.contract} type="fallback" />
                     </Tab>
 
                     <Tab id="contract" selectedTab={this.state.selectedTab}>
diff --git a/lib/modules/webserver/backend/contracts/components/function-area.js b/lib/modules/webserver/backend/contracts/components/function-area.js
index 9be7bcc53..381cedb71 100644
--- a/lib/modules/webserver/backend/contracts/components/function-area.js
+++ b/lib/modules/webserver/backend/contracts/components/function-area.js
@@ -13,7 +13,7 @@ class FunctionArea extends React.Component {
             {
                 this.props.contract.options.jsonInterface
                     .filter(item => item.type == type)
-                    .map((item, i) => <FunctionForm key={i} contract={contract} contractName={contractName} abi={item} instanceUpdate={this.props.instanceUpdate} />)
+                    .map((item, i) => <FunctionForm definition={this.props.definition} key={i} contract={contract} contractName={contractName} abi={item} instanceUpdate={this.props.instanceUpdate} />)
             }
         </React.Fragment>;
     }
diff --git a/lib/modules/webserver/backend/contracts/components/function-form.js b/lib/modules/webserver/backend/contracts/components/function-form.js
index 9e557b1e5..50ac2d3b0 100644
--- a/lib/modules/webserver/backend/contracts/components/function-form.js
+++ b/lib/modules/webserver/backend/contracts/components/function-form.js
@@ -44,7 +44,7 @@ class FunctionForm extends React.Component {
             <CardAlert show={this.state.error} message={this.state.message} />
 
             <div className="card-body row">
-                <Function contract={this.props.contract} contractName={this.props.contractName} duplicated={isDuplicated} abi={this.props.abi} resultHandler={this.showResults} />
+                <Function definition={this.props.definition} contract={this.props.contract} contractName={this.props.contractName} duplicated={isDuplicated} abi={this.props.abi} resultHandler={this.showResults} />
            </div>
            {
                receipt != null || !this.state.error && this.state.message != null 
diff --git a/lib/modules/webserver/backend/contracts/components/function.js b/lib/modules/webserver/backend/contracts/components/function.js
index dffd6aaf3..4f8320321 100644
--- a/lib/modules/webserver/backend/contracts/components/function.js
+++ b/lib/modules/webserver/backend/contracts/components/function.js
@@ -194,6 +194,21 @@ class Function extends React.Component {
     }
 
     render(){
+
+        let btnClass = "btn ml-auto ";
+        let disabled = false;
+
+        if(this.state.onRequest){
+            disabled = true;
+        }
+
+        if(this.props.definition.code == ""){
+            btnClass += "btn-secondary";
+            disabled = true;
+        } else {
+            btnClass += "btn-primary";
+        }
+
         return <ContractContext.Consumer>
         { (context) => (
             <React.Fragment>
@@ -208,11 +223,18 @@ class Function extends React.Component {
                     </code>
                 </div>
                 <div className="col-md-1">
-                    <button className="btn btn-primary ml-auto" onClick={event => this.handleClick(event, context.updateInstances)} disabled={this.state.onRequest}>
+                    <button className={btnClass} title={this.props.definition.code == "" ? "Can't execute function" : "Execute function"} onClick={event => this.handleClick(event, context.updateInstances)} disabled={disabled}>
                     { this.state.onRequest ?
                         <img src="../assets/images/loading.gif" className="loading" alt="" />
                         : 
-                        <React.Fragment>&#9166;</React.Fragment>
+                        (
+                            this.props.definition.code == "" 
+                            ?
+                            <React.Fragment>_</React.Fragment>
+                            :
+                            <React.Fragment>&#9166;</React.Fragment>
+                        )
+                        
                     }
                     </button>
                 </div>