diff --git a/src/modules/picker/api.js b/src/modules/picker/api.js
index 037f40dcd2638df29cc8aed21d8f22162e0d1cb3..84341fda1651be2745c608887466e30b398dfe8c 100644
--- a/src/modules/picker/api.js
+++ b/src/modules/picker/api.js
@@ -1,5 +1,11 @@
 import createAPI from '../../common/helpers/create-api'
+import { warn } from '../../common/helpers/debug'
 
 export default function addPicker (Vue, Picker) {
-  createAPI(Vue, Picker, ['select', 'value-change', 'cancel', 'change'], false)
+  const pickerAPI = createAPI(Vue, Picker, ['select', 'value-change', 'cancel', 'change'], false)
+  pickerAPI.before((data, renderFn, single) => {
+    if (single) {
+      warn('Picker component can not be a singleton.')
+    }
+  })
 }