diff --git a/src/main/java/com/fasterxml/jackson/dataformat/xml/util/TypeUtil.java b/src/main/java/com/fasterxml/jackson/dataformat/xml/util/TypeUtil.java
index a4e3e892e..57a88d19d 100644
--- a/src/main/java/com/fasterxml/jackson/dataformat/xml/util/TypeUtil.java
+++ b/src/main/java/com/fasterxml/jackson/dataformat/xml/util/TypeUtil.java
@@ -21,7 +21,7 @@ public static boolean isIndexedType(JavaType type)
                 return false;
             }
             // issue#5: also, should not add wrapping for Maps
-            if (Map.class.isAssignableFrom(cls)) {
+            if (type.isMapLikeType()) {
                 return false;
             }
             return true;