diff --git a/zut_app/zutui.py b/zut_app/zutui.py
index b276f0f..66803b3 100644
--- a/zut_app/zutui.py
+++ b/zut_app/zutui.py
@@ -118,7 +118,9 @@ class DetailsScreen(Screen):
 
 class GradesTable(DataTable):
     BINDINGS = [
-        Binding("enter", "select_cursor", "Pokaż szczegóły", priority=True)
+        Binding("enter", "select_cursor", "Pokaż szczegóły", priority=True),
+        Binding("j", "cursor_down", "W dół"),
+        Binding("k", "cursor_up", "W górę"),
     ]
 
 class DashboardScreen(Screen):