Index: System.Data.SQLite/SQLiteFunction.cs
==================================================================
--- System.Data.SQLite/SQLiteFunction.cs
+++ System.Data.SQLite/SQLiteFunction.cs
@@ -422,11 +422,11 @@
         int v = arTypes.Length;
         for (int x = 0; x < v; x++)
         {
           if (arTypes[x] == null) continue;
 
-          object[] arAtt = arTypes[x].GetCustomAttributes(false);
+          object[] arAtt = arTypes[x].GetCustomAttributes(typeof(SQLiteFunctionAttribute), false);
           int u = arAtt.Length;
           for (int y = 0; y < u; y++)
           {
             at = arAtt[y] as SQLiteFunctionAttribute;
             if (at != null)