diff --git a/material-ui/material-ui-tests.tsx b/material-ui/material-ui-tests.tsx
index cd894bee9..989cf3472 100644
--- a/material-ui/material-ui-tests.tsx
+++ b/material-ui/material-ui-tests.tsx
@@ -441,7 +441,8 @@ class MaterialUiTests extends React.Component<{}, MaterialUiTestsState> implemen
         element = <SelectField
             value = { 0 }
             onChange = { this.selectFieldChangeHandler }
-            hintText = "Hint Text">
+            hintText = "Hint Text"
+            hintStyle = {{ fontSize: 10 }}>
                 arbitraryArrayMenuItems
             </SelectField>;
         element = <SelectField
@@ -469,6 +470,10 @@ class MaterialUiTests extends React.Component<{}, MaterialUiTestsState> implemen
         element = <TextField
             hintText = "Hint Text"
             floatingLabelText = "Floating Label Text" />;
+        element = <TextField
+            hintText = "Hint Text"
+            hintStyle = {{fontSize: 10}}
+            floatingLabelText = "Floating Label Text" />;
         element = <TextField
             hintText="Hint Text"
             defaultValue="Default Value"
diff --git a/material-ui/material-ui.d.ts b/material-ui/material-ui.d.ts
index b2bfb981a..9909b5fa4 100644
--- a/material-ui/material-ui.d.ts
+++ b/material-ui/material-ui.d.ts
@@ -1079,6 +1079,7 @@ declare namespace __MaterialUI {
         floatingLabelStyle?: React.CSSProperties;
         floatingLabelText?: string;
         fullWidth?: boolean;
+        hintStyle?: React.CSSProperties;
         hintText?: string | React.ReactElement<any>;
         iconStyle?: React.CSSProperties;
         inputStyle?: React.CSSProperties;