diff --git a/material-ui/material-ui-tests.tsx b/material-ui/material-ui-tests.tsx
index 8dd780c8b7..f698a964e7 100644
--- a/material-ui/material-ui-tests.tsx
+++ b/material-ui/material-ui-tests.tsx
@@ -451,6 +451,10 @@ 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 ce33888256..dd911e44b2 100644
--- a/material-ui/material-ui.d.ts
+++ b/material-ui/material-ui.d.ts
@@ -780,6 +780,7 @@ declare namespace __MaterialUI {
         floatingLabelStyle?: React.CSSProperties;
         fullWidth?: boolean;
         hintText?: string | React.ReactElement<any>;
+        hintStyle?: React.CSSProperties;
 
         // passed to DropDownMenu
         displayMember?: string;