diff --git a/meteoinfo-ndarray/src/main/java/org/meteoinfo/ndarray/Array.java b/meteoinfo-ndarray/src/main/java/org/meteoinfo/ndarray/Array.java
index 94389e1c..a8801066 100644
--- a/meteoinfo-ndarray/src/main/java/org/meteoinfo/ndarray/Array.java
+++ b/meteoinfo-ndarray/src/main/java/org/meteoinfo/ndarray/Array.java
@@ -188,6 +188,8 @@ public abstract class Array {
                 return ArrayObject.factory(dtype, StructureDataIterator.class, false, index, (Object[]) storage);
             case OPAQUE:
                 return ArrayObject.factory(dtype, ByteBuffer.class, false, index, (Object[]) storage);
+            case OBJECT:
+                return ArrayObject.factory(dtype, Object.class, false, index, (Object[]) storage);
         }
 
         throw new RuntimeException("Cant use this method for datatype " + dtype);