diff --git a/src/ArduinoJson/Variant/VariantData.hpp b/src/ArduinoJson/Variant/VariantData.hpp
index 25652f0a..104f3ed1 100644
--- a/src/ArduinoJson/Variant/VariantData.hpp
+++ b/src/ArduinoJson/Variant/VariantData.hpp
@@ -302,7 +302,7 @@ class VariantData {
   VariantData *addElement(MemoryPool *pool) {
     if (isNull())
       toArray();
-    if (!isArray())
+    if (!isArrayStrict())
       return 0;
     return _content.asCollection.addElement(pool);
   }