diff --git a/embark-ui/src/actions/index.js b/embark-ui/src/actions/index.js
index 54f7716b..a901dd07 100644
--- a/embark-ui/src/actions/index.js
+++ b/embark-ui/src/actions/index.js
@@ -113,14 +113,14 @@ export const contractFile = {
 
 export const CONTRACT_FUNCTION = createRequestTypes('CONTRACT_FUNCTION');
 export const contractFunction = {
-  post: (contractName, method, inputs) => action(CONTRACT_FUNCTION[REQUEST], {contractName, method, inputs}),
+  post: (contractName, method, inputs, gasPrice) => action(CONTRACT_FUNCTION[REQUEST], {contractName, method, inputs, gasPrice}),
   success: (result, payload) => action(CONTRACT_FUNCTION[SUCCESS], {contractFunctions: [{...result, ...payload}]}),
   failure: (error) => action(CONTRACT_FUNCTION[FAILURE], {error})
 };
 
 export const CONTRACT_DEPLOY = createRequestTypes('CONTRACT_DEPLOY');
 export const contractDeploy = {
-  post: (contractName, method, inputs) => action(CONTRACT_DEPLOY[REQUEST], {contractName, method, inputs}),
+  post: (contractName, method, inputs, gasPrice) => action(CONTRACT_DEPLOY[REQUEST], {contractName, method, inputs, gasPrice}),
   success: (result, payload) => action(CONTRACT_DEPLOY[SUCCESS], {contractDeploys: [{...result, ...payload}]}),
   failure: (error) => action(CONTRACT_DEPLOY[FAILURE], {error})
 };
diff --git a/embark-ui/src/components/ContractFunctions.js b/embark-ui/src/components/ContractFunctions.js
index 47383689..5c3a9c26 100644
--- a/embark-ui/src/components/ContractFunctions.js
+++ b/embark-ui/src/components/ContractFunctions.js
@@ -15,13 +15,17 @@ class ContractFunction extends Component {
     this.state = {inputs: {}};
   }
 
+  static isPureCall(method) {
+    return (method.mutability === 'view' || method.mutability === 'pure');
+  }
+
   buttonTitle() {
     const {method} = this.props;
     if (method.name === 'constructor') {
       return 'Deploy';
     }
 
-    return (method.mutability === 'view' || method.mutability === 'pure') ? 'Call' : 'Send';
+    return ContractFunction.isPureCall(method) ? 'Call' : 'Send';
   }
 
   inputsAsArray() {
@@ -38,7 +42,7 @@ class ContractFunction extends Component {
 
   handleCall(e) {
     e.preventDefault();
-    this.props.postContractFunction(this.props.contractProfile.name, this.props.method.name, this.inputsAsArray());
+    this.props.postContractFunction(this.props.contractProfile.name, this.props.method.name, this.inputsAsArray(), this.state.inputs.gasPrice * 1000000000);
   }
 
   callDisabled() {
@@ -59,6 +63,11 @@ class ContractFunction extends Component {
                   <Form.Input placeholder={input.type} onChange={(e) => this.handleChange(e, input.name)}/>
                 </Form.Group>
               ))}
+              {!ContractFunction.isPureCall(this.props.method) &&
+                <Form.Group key="gasPrice" label="Gas Price (in GWei)(optional)">
+                  <Form.Input onChange={(e) => this.handleChange(e, 'gasPrice')}/>
+                </Form.Group>
+              }
               <Button color="primary" disabled={this.callDisabled()} onClick={(e) => this.handleCall(e)}>
                 {this.buttonTitle()}
               </Button>
diff --git a/embark-ui/src/components/GasStation.js b/embark-ui/src/components/GasStation.js
index f306f9a0..c7b20807 100644
--- a/embark-ui/src/components/GasStation.js
+++ b/embark-ui/src/components/GasStation.js
@@ -73,7 +73,7 @@ class GasStation extends Component {
       <Grid.Col>
         <Card>
           <Card.Header>
-            <Card.Title>Gas Price Estimator</Card.Title>
+            <Card.Title>Gas Price Estimator (for Mainnet)</Card.Title>
             <Card.Options>
               <CopyToClipboard text={currentGasStep.price}
                                onCopy={() => this.setState({copied: true})}
diff --git a/lib/modules/contracts_manager/index.js b/lib/modules/contracts_manager/index.js
index 8cd39979..4e5d49a5 100644
--- a/lib/modules/contracts_manager/index.js
+++ b/lib/modules/contracts_manager/index.js
@@ -112,7 +112,7 @@ class ContractsManager {
 
           self.events.request("blockchain:contract:create", {abi: contract.abiDefinition, address: contract.deployedAddress}, (contractObj) => {
             try {
-              contractObj.methods[req.body.method].apply(this, req.body.inputs)[funcCall]({from: account}, (error, result) => {
+              contractObj.methods[req.body.method].apply(this, req.body.inputs)[funcCall]({from: account, gasPrice: req.body.gasPrice}, (error, result) => {
                 if (error) {
                   return res.send({result: error.message});
                 }
@@ -148,7 +148,7 @@ class ContractsManager {
             try {
               const params = {data: `0x${contract.code}`, arguments: req.body.inputs};
               let gas = await contractObj.deploy(params).estimateGas();
-              let newContract = await contractObj.deploy(params).send({from: account, gas});
+              let newContract = await contractObj.deploy(params).send({from: account, gas, gasPrice: req.body.gasPrice});
               res.send({result: newContract._address});
             } catch (e) {
               res.send({result: e.message});