diff --git a/src/View/DIFAdisTS/Window.py b/src/View/DIFAdisTS/Window.py
index 7191491f..304cce3b 100644
--- a/src/View/DIFAdisTS/Window.py
+++ b/src/View/DIFAdisTS/Window.py
@@ -102,7 +102,7 @@ class DIFAdisTSWindow(PamhyrWindow):
         self._delegate_method = ComboBoxDelegate(
             trad=self._trad,
             data=self._study.river,
-            ic_spec_lst=self._data[0]._data,
+            dif_spec_lst=self._data[0]._data,
             parent=self,
             mode="method"
         )
@@ -146,14 +146,14 @@ class DIFAdisTSWindow(PamhyrWindow):
         self._delegate_reach = ComboBoxDelegate(
             trad=self._trad,
             data=self._study.river,
-            ic_spec_lst=self._data[0]._data,
+            dif_spec_lst=self._data[0]._data,
             parent=self,
             mode="reaches"
         )
         self._delegate_rk = ComboBoxDelegate(
             trad=self._trad,
             data=self._study.river,
-            ic_spec_lst=self._data[0]._data,
+            dif_spec_lst=self._data[0]._data,
             parent=self,
             mode="rk"
         )