diff --git a/src/Model/River.py b/src/Model/River.py
index 68afcb57..40c80759 100644
--- a/src/Model/River.py
+++ b/src/Model/River.py
@@ -547,12 +547,12 @@ class River(Graph):
 
         data['loaded_pid'] = set()
 
+        new._Pollutants = PollutantsList._db_load(execute, data)
+
         new._Output_rk_adists = OutputRKAdistsList._db_load(
             execute, data
         )
 
-        new._Pollutants = PollutantsList._db_load(execute, data)
-
         new._InitialConditionsAdisTS = InitialConditionsAdisTSList._db_load(
             execute, data)
 
diff --git a/src/Model/Scenario.py b/src/Model/Scenario.py
index db953239..4bb4d6f3 100644
--- a/src/Model/Scenario.py
+++ b/src/Model/Scenario.py
@@ -93,21 +93,10 @@ class Scenario(SQLSubModel):
     @classmethod
     def _db_update(cls, execute, version, data=None):
         major, minor, release = version.strip().split(".")
-        if major == minor == "0":
-            if int(release) < 12:
-                cls._db_create(execute)
-                cls._db_add_default(execute)
 
-        if major == "0" and minor == "1":
-            if int(release) < 2:
-                execute(
-                    "ALTER TABLE scenario " +
-                    "ADD COLUMN x REAL NOT NULL DEFAULT 1000"
-                )
-                execute(
-                    f"ALTER TABLE scenario " +
-                    "ADD COLUMN y REAL NOT NULL DEFAULT 1000"
-                )
+        if major == "0" and int(minor) <= 2:
+            cls._db_create(execute)
+            cls._db_add_default(execute)
 
         return True