mui · oliviertassinari · May 30, 2017 · Apr 10, 2017 · Apr 11, 2017 · Apr 11, 2017
diff --git a/src/Form/FormControl.js b/src/Form/FormControl.js
@@ -81,11 +81,10 @@ export default class FormControl extends Component {
 
   componentWillMount() {
     let dirty = false;
-    Children.map(this.props.children, (child) => {
+    Children.forEach(this.props.children, (child) => {
       if (child && child.type && child.type.name === 'Input' && isDirty(child.props)) {
         dirty = true;
       }
-      return child;
     });
 
     this.setState({ dirty });

diff --git a/src/Form/FormHelperText.js b/src/Form/FormHelperText.js
@@ -12,7 +12,7 @@ export const styleSheet = createStyleSheet('MuiFormHelperText', (theme) => {
     root: {
       color: theme.palette.input.helperText,
       fontSize: 12,
-      lineHeight: 1.33333333,
+      lineHeight: 1.4,
       margin: 0,
     },
     error: {

diff --git a/src/styles/MuiThemeProvider.js b/src/styles/MuiThemeProvider.js
@@ -22,6 +22,7 @@ export const MUI_SHEET_ORDER = [
 
   'MuiFormLabel',
   'MuiFormGroup',
+  'MuiFormHelperText',
 
   'MuiText',
   'MuiPaper',