diff --git a/vitables/vttables/leaf_model.py b/vitables/vttables/leaf_model.py
index d73bd509..a656f057 100644
--- a/vitables/vttables/leaf_model.py
+++ b/vitables/vttables/leaf_model.py
@@ -123,8 +123,10 @@ def __init__(self, leaf, parent=None):
                 self.formatContent = vitables.utils.formatObjectContent
             elif atom_type in ('vlstring', 'vlunicode'):
                 self.formatContent = vitables.utils.formatStringContent
+            else:
+                self.formatContent = vitables.utils.formatArrayContent
         else:
-            self.formatContent = vitables.utils.formatStringContent
+            self.formatContent = vitables.utils.formatArrayContent
 
         # Track selected cell
         self.selected_cell = {'index': QtCore.QModelIndex(), 'buffer_start': 0}