Index: System.Data.SQLite/SQLiteConnection.cs
==================================================================
--- System.Data.SQLite/SQLiteConnection.cs
+++ System.Data.SQLite/SQLiteConnection.cs
@@ -4755,23 +4755,27 @@
                     using (SQLiteCommand cmdIndex = new SQLiteCommand(UnsafeNativeMethods.StringFormat(CultureInfo.InvariantCulture, "PRAGMA [{0}].index_info([{1}])", strCatalog, rdIndexes.GetString(1)), this))
                     using (SQLiteDataReader rdIndex = cmdIndex.ExecuteReader())
                     {
                       while (rdIndex.Read())
                       {
+                        string columnName = rdIndex.IsDBNull(2) ? String.Empty : rdIndex.GetString(2);
+
                         row = tbl.NewRow();
                         row["CONSTRAINT_CATALOG"] = strCatalog;
                         row["CONSTRAINT_NAME"] = rdIndexes.GetString(1);
                         row["TABLE_CATALOG"] = strCatalog;
                         row["TABLE_NAME"] = rdIndexes.GetString(2);
-                        row["COLUMN_NAME"] = rdIndex.GetString(2);
+                        row["COLUMN_NAME"] = columnName;
                         row["INDEX_NAME"] = rdIndexes.GetString(1);
                         row["ORDINAL_POSITION"] = ordinal; // rdIndex.GetInt32(1);
 
                         string collationSequence = null;
                         int sortMode = 0;
                         int onError = 0;
-                        _sql.GetIndexColumnExtendedInfo(strCatalog, rdIndexes.GetString(1), rdIndex.GetString(2), ref sortMode, ref onError, ref collationSequence);
+
+                        if(!String.IsNullOrEmpty(columnName))
+                          _sql.GetIndexColumnExtendedInfo(strCatalog, rdIndexes.GetString(1), columnName, ref sortMode, ref onError, ref collationSequence);
 
                         if (String.IsNullOrEmpty(collationSequence) == false)
                           row["COLLATION_NAME"] = collationSequence;
 
                         row["SORT_MODE"] = (sortMode == 0) ? "ASC" : "DESC";