diff --git a/src/vue/get-children.js b/src/vue/get-children.js
index 7fa79c8be..795363ad3 100644
--- a/src/vue/get-children.js
+++ b/src/vue/get-children.js
@@ -29,6 +29,7 @@ function getChildren(originalSlots = {}, slidesRef, oldSlidesRef) {
   };
 
   Object.keys(originalSlots).forEach((slotName) => {
+    if (typeof originalSlots[slotName] !== 'function') return;
     const els = originalSlots[slotName]();
     getSlidesFromElements(els, slotName);
   });