diff --git a/sloth/annotations/model.py b/sloth/annotations/model.py
index 29f6f2b..e62d959 100644
--- a/sloth/annotations/model.py
+++ b/sloth/annotations/model.py
@@ -203,9 +203,11 @@ class KeyValueModelItem(ModelItem, MutableMapping):
     def __getitem__(self, key):
         return self._dict[key]
 
-    def _emitDataChanged(self):
+    def _emitDataChanged(self, key):
         if self.model() is not None:
-            self.model().dataChanged.emit(self.index(), self.index())
+            index_tl = self._items[key].index()
+            index_br = self._items[key].index(1)
+            self.model().dataChanged.emit(index_tl, index_br)
 
     def __setitem__(self, key, value):
         if key not in self._dict:
@@ -216,7 +218,7 @@ class KeyValueModelItem(ModelItem, MutableMapping):
         elif self._dict[key] != value:
             self._dict[key] = value
             # TODO: Emit for hidden key/values?
-            self._emitDataChanged()
+            self._emitDataChanged(key)
 
     def __delitem__(self, key):
         del self._dict[key]
diff --git a/sloth/gui/annotationscene.py b/sloth/gui/annotationscene.py
index 14b80c1..f0800c9 100644
--- a/sloth/gui/annotationscene.py
+++ b/sloth/gui/annotationscene.py
@@ -264,13 +264,14 @@ class AnnotationScene(QGraphicsScene):
         if not self.root_.isValid():
             return
 
-        if self.root_ != indexFrom.parent() or self.root_ != indexTo.parent():
+        annotation_item_index= indexFrom.parent()
+
+        if self.root_ != annotation_item_index.parent():
             return
 
-        for row in range(indexFrom.row(), indexTo.row()+1):
-            item = self.itemFromIndex(indexFrom.sibling(row, 0))
-            if item is not None:
-                item.dataChanged()
+        item = self.itemFromIndex(annotation_item_index)
+        if item is not None:
+            item.dataChanged()
 
     def rowsInserted(self, index, first, last):
         if self.root_ != index: