diff --git a/db_compare.py b/db_compare.py
index a6013723..3eab02a7 100644
--- a/db_compare.py
+++ b/db_compare.py
@@ -264,7 +264,7 @@ def check_pohadka():
 			INNER JOIN seminar_texty AS st ON sno.text_id = st.id
 			-- Predchozí úloha
 			LEFT OUTER JOIN seminar_nodes_treenode AS ztn_pred ON ztn_pred.succ_id = snt.id
-			INNER JOIN seminar_nodes_uloha AS zn_pred ON zn_pred.treenode_ptr_id = ztn_pred.id
+			LEFT OUTER JOIN seminar_nodes_uloha_zadani AS zn_pred ON zn_pred.treenode_ptr_id = ztn_pred.id
 			-- Následující úloha
 			LEFT OUTER JOIN seminar_nodes_uloha_zadani AS zn_po ON zn_po.treenode_ptr_id = snt.succ_id
 
@@ -462,10 +462,10 @@ check_nastaveni()
 check_novinky()
 check_pohadka()
 
-#check_problem_common() - RUZNE POCTY RADKU
-#check_uloha() - RUNE POCTY RADKU
-#check_tema() - RUZNE POCTY RADKU
+check_problem_common()
+check_uloha()
+check_tema()
 check_konfera()
 check_org_clanek()
-#check_res_clanek() - RUZNE POCTY RADKU
+check_res_clanek()
 check_untyped_problem()