diff --git a/src/Drawer.tsx b/src/Drawer.tsx
index 4879e15..644a0e6 100644
--- a/src/Drawer.tsx
+++ b/src/Drawer.tsx
@@ -104,7 +104,7 @@ const Drawer: React.FC<DrawerProps> = props => {
     width,
     mask,
     maskClosable,
-    inline: getContainer === false,
+    inline: getContainer !== undefined,
     afterOpenChange: internalAfterOpenChange,
     ref: panelRef,
     ...eventHandlers,