diff --git a/gomap/gomap.go b/gomap/gomap.go
index 65331d5..1a98323 100644
--- a/gomap/gomap.go
+++ b/gomap/gomap.go
@@ -65,6 +65,8 @@ func (s Store) Delete(k string) error {
 		return err
 	}
 
+	s.lock.Lock()
+	defer s.lock.Unlock()
 	delete(s.m, k)
 	return nil
 }
diff --git a/test/test.go b/test/test.go
index f97b8cb..3d4f03d 100644
--- a/test/test.go
+++ b/test/test.go
@@ -353,4 +353,14 @@ func InteractWithStore(store gokv.Store, key string, t *testing.T, waitGroup *sy
 	if err != nil {
 		t.Error(err)
 	}
+	// Delete
+	err = store.Delete(key)
+	if err != nil {
+		t.Error(err)
+	}
+	// Read
+	_, err = store.Get(key, new(Foo))
+	if err != nil {
+		t.Error(err)
+	}
 }