diff --git a/src/fields/enum.jsx b/src/fields/enum.jsx
index 46db1d8..ef2041b 100644
--- a/src/fields/enum.jsx
+++ b/src/fields/enum.jsx
@@ -2,34 +2,34 @@ import React from 'react'
 import inputStyle from './input.js'
 
 class EnumField extends React.Component {
-	static propTypes = {
+  static propTypes = {
     onChange: React.PropTypes.func.isRequired,
-		name: React.PropTypes.string.isRequired,
+    name: React.PropTypes.string.isRequired,
     value: React.PropTypes.string,
     allowedValues: React.PropTypes.array.isRequired,
     doc: React.PropTypes.string,
   }
 
-	onChange(e) {
-		return this.props.onChange(e.target.value)
-	}
+  onChange(e) {
+    return this.props.onChange(e.target.value)
+  }
 
-	render() {
-		const options = this.props.allowedValues.map(val => {
-			return <option key={val} value={val}>{val}</option>
-		})
+  render() {
+    const options = this.props.allowedValues.map(val => {
+      return <option key={val} value={val}>{val}</option>
+    })
 
-		return <div style={inputStyle.property}>
-			<label style={inputStyle.label}>{this.props.name}</label>
-			<select
-				style={inputStyle.select}
-				value={this.props.value}
-				onChange={this.onChange.bind(this)}
-			>
-				{options}
-			</select>
-		</div>
-	}
+    return <div style={inputStyle.property}>
+      <label style={inputStyle.label}>{this.props.name}</label>
+      <select
+        style={inputStyle.select}
+        value={this.props.value}
+        onChange={this.onChange.bind(this)}
+      >
+        {options}
+      </select>
+    </div>
+  }
 }
 
 export default EnumField
diff --git a/src/fields/number.jsx b/src/fields/number.jsx
index 942c2f6..c0c2e45 100644
--- a/src/fields/number.jsx
+++ b/src/fields/number.jsx
@@ -3,9 +3,9 @@ import inputStyle from './input.js'
 
 /*** Number fields with support for min, max and units and documentation*/
 class NumberField extends React.Component {
-	static propTypes = {
+  static propTypes = {
     onChange: React.PropTypes.func.isRequired,
-		name: React.PropTypes.string.isRequired,
+    name: React.PropTypes.string.isRequired,
     value: React.PropTypes.number,
     default: React.PropTypes.number,
     unit: React.PropTypes.string,
@@ -14,28 +14,28 @@ class NumberField extends React.Component {
     doc: React.PropTypes.string,
   }
 
-	onChange(e) {
-		const value = parseFloat(e.target.value)
-		/*TODO: we can do range validation already here?
-		if(this.props.min && value < this.props.min) return
-		if(this.props.max && value > this.props.max) return
-		*/
-		this.props.onChange(value)
-	}
+  onChange(e) {
+    const value = parseFloat(e.target.value)
+    /*TODO: we can do range validation already here?
+    if(this.props.min && value < this.props.min) return
+    if(this.props.max && value > this.props.max) return
+    */
+    this.props.onChange(value)
+  }
 
-	render() {
-		return <div style={inputStyle.property}>
-			<label style={inputStyle.label}>{this.props.name}</label>
-			<input
-				style={inputStyle.input}
-				type="number"
-				name={this.props.name}
-				placeholder={this.props.default}
-				value={this.props.value}
-				onChange={this.onChange.bind(this)}
-			/>
-		</div>
-	}
+  render() {
+    return <div style={inputStyle.property}>
+      <label style={inputStyle.label}>{this.props.name}</label>
+      <input
+        style={inputStyle.input}
+        type="number"
+        name={this.props.name}
+        placeholder={this.props.default}
+        value={this.props.value}
+        onChange={this.onChange.bind(this)}
+      />
+    </div>
+  }
 }
 
 export default NumberField
diff --git a/src/fields/string.jsx b/src/fields/string.jsx
index fb400a5..c76625c 100644
--- a/src/fields/string.jsx
+++ b/src/fields/string.jsx
@@ -3,31 +3,31 @@ import inputStyle from './input.js'
 
 /*** Number fields with support for min, max and units and documentation*/
 class StringField extends React.Component {
-static propTypes = {
+  static propTypes = {
     onChange: React.PropTypes.func.isRequired,
-		name: React.PropTypes.string.isRequired,
+    name: React.PropTypes.string.isRequired,
     value: React.PropTypes.string,
     default: React.PropTypes.number,
     doc: React.PropTypes.string,
   }
 
-	onChange(e) {
-		const value = e.target.value
-		return this.props.onChange(value === "" ? null: value)
-	}
+  onChange(e) {
+    const value = e.target.value
+    return this.props.onChange(value === "" ? null: value)
+  }
 
-render() {
-	return <div style={inputStyle.property}>
-			<label style={inputStyle.label}>{this.props.name}</label>
-			<input
-				style={inputStyle.input}
-				name={this.props.name}
-				placeholder={this.props.default}
-				value={this.props.value ? this.props.value : ""}
-				onChange={this.onChange.bind(this)}
-			/>
-		</div>
-	}
+  render() {
+    return <div style={inputStyle.property}>
+      <label style={inputStyle.label}>{this.props.name}</label>
+      <input
+        style={inputStyle.input}
+        name={this.props.name}
+        placeholder={this.props.default}
+        value={this.props.value ? this.props.value : ""}
+        onChange={this.onChange.bind(this)}
+      />
+    </div>
+  }
 }
 
 export default StringField