diff --git a/__tests__/Repeat.ts b/__tests__/Repeat.ts
index 156a4c68db..5236a5b8e8 100644
--- a/__tests__/Repeat.ts
+++ b/__tests__/Repeat.ts
@@ -11,4 +11,8 @@ describe('Repeat', () => {
     expect(v.toArray()).toEqual(['wtf', 'wtf', 'wtf']);
     expect(v.join()).toEqual('wtf,wtf,wtf');
   });
+
+  it('does not claim to be equal to undefined', () => {
+    expect(Repeat(1).equals(undefined)).toEqual(false);
+  });
 });
diff --git a/src/Repeat.js b/src/Repeat.js
index 59cffdc26a..77786caf45 100644
--- a/src/Repeat.js
+++ b/src/Repeat.js
@@ -93,7 +93,7 @@ export class Repeat extends IndexedSeq {
   equals(other) {
     return other instanceof Repeat
       ? is(this._value, other._value)
-      : deepEqual(other);
+      : deepEqual(this, other);
   }
 }