diff --git a/docs/pages/api/drawer.md b/docs/pages/api/drawer.md
index a6c375371062fb..1990635c0f441d 100644
--- a/docs/pages/api/drawer.md
+++ b/docs/pages/api/drawer.md
@@ -32,7 +32,7 @@ when `variant="temporary"` is set.
 | <span class="prop-name">ModalProps</span> | <span class="prop-type">object</span> | <span class="prop-default">{}</span> | Props applied to the [`Modal`](/api/modal/) element. |
 | <span class="prop-name">onClose</span> | <span class="prop-type">func</span> |  | Callback fired when the component requests to be closed.<br><br>**Signature:**<br>`function(event: object) => void`<br>*event:* The event source of the callback. |
 | <span class="prop-name">open</span> | <span class="prop-type">bool</span> | <span class="prop-default">false</span> | If `true`, the drawer is open. |
-| <span class="prop-name">PaperProps</span> | <span class="prop-type">object</span> |  | Props applied to the [`Paper`](/api/paper/) element. |
+| <span class="prop-name">PaperProps</span> | <span class="prop-type">object</span> | <span class="prop-default">{}</span> | Props applied to the [`Paper`](/api/paper/) element. |
 | <span class="prop-name">SlideProps</span> | <span class="prop-type">object</span> |  | Props applied to the [`Slide`](/api/slide/) element. |
 | <span class="prop-name">transitionDuration</span> | <span class="prop-type">number<br>&#124;&nbsp;{ enter?: number, exit?: number }</span> | <span class="prop-default">{ enter: duration.enteringScreen, exit: duration.leavingScreen }</span> | The duration for the transition, in milliseconds. You may specify a single timeout for all transitions, or individually with an object. |
 | <span class="prop-name">variant</span> | <span class="prop-type">'permanent'<br>&#124;&nbsp;'persistent'<br>&#124;&nbsp;'temporary'</span> | <span class="prop-default">'temporary'</span> | The variant to use. |
diff --git a/packages/material-ui/src/Drawer/Drawer.js b/packages/material-ui/src/Drawer/Drawer.js
index 4ac3496e183dac..3421722f7f0b4f 100644
--- a/packages/material-ui/src/Drawer/Drawer.js
+++ b/packages/material-ui/src/Drawer/Drawer.js
@@ -113,7 +113,7 @@ const Drawer = React.forwardRef(function Drawer(props, ref) {
     ModalProps: { BackdropProps: BackdropPropsProp, ...ModalProps } = {},
     onClose,
     open = false,
-    PaperProps,
+    PaperProps = {},
     SlideProps,
     transitionDuration = defaultTransitionDuration,
     variant = 'temporary',
@@ -134,9 +134,14 @@ const Drawer = React.forwardRef(function Drawer(props, ref) {
     <Paper
       elevation={variant === 'temporary' ? elevation : 0}
       square
-      className={clsx(classes.paper, classes[`paperAnchor${capitalize(anchor)}`], {
-        [classes[`paperAnchorDocked${capitalize(anchor)}`]]: variant !== 'temporary',
-      })}
+      className={clsx(
+        classes.paper,
+        classes[`paperAnchor${capitalize(anchor)}`],
+        {
+          [classes[`paperAnchorDocked${capitalize(anchor)}`]]: variant !== 'temporary',
+        },
+        PaperProps.className,
+      )}
       {...PaperProps}
     >
       {children}