diff --git a/lib/Popper/Popper.js b/lib/Popper/Popper.js
index 4e119ef57..fcea7b500 100644
--- a/lib/Popper/Popper.js
+++ b/lib/Popper/Popper.js
@@ -18,6 +18,8 @@ export const AVAILABLE_PLACEMENTS = [
   'right-start',
   'right-end',
   'auto',
+  'auto-start',
+  'auto-end',
 ];
 
 const [DEFAULT_PLACEMENT] = AVAILABLE_PLACEMENTS;