diff --git a/Database-Attribute_System/ClassAction.cs b/Database-Attribute_System/ClassAction.cs
index 74232c1..0aee916 100644
--- a/Database-Attribute_System/ClassAction.cs
+++ b/Database-Attribute_System/ClassAction.cs
@@ -22,7 +22,7 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
             string tableName = Function.GetDbTableName(classType);
 
             // Get class-fields
-            Dictionary<string, FieldInfo> dbFields = Function.ReadDbClassFields(classObject);
+            Dictionary<string, FieldInfo> dbFields = Function.ReadDbClassFields(classType);
 
             if (runDataLossChecks)
             {