diff --git a/ChangeLog b/ChangeLog
index 5c36ebeb6..930cf9b55 100755
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@ phpMyAdmin - Changelog
 $Id$
 $Source$
 
+2001-08-14  Robin Johnson  <robbat2@orbis-terrarum.net>
+	* Patch for Bug #449858 from Ignacio Vazquez-Abrams. First patch used, not second one.
+
 2001-08-10  Robin Johnson  <robbat2@orbis-terrarum.net>
 	* BUG #448206, Support of table aliases - fixed, added expand_sql_query in lib.inc.php3 and a loop in db_readdump.php3 to apply it
 	
diff --git a/tbl_alter.php3 b/tbl_alter.php3
index 5f3870533..9c2df8d5d 100755
--- a/tbl_alter.php3
+++ b/tbl_alter.php3
@@ -28,9 +28,27 @@ if (isset($submit)) {
         $query = '';
     }
     $query .= ' ' . backquote($field_orig[0]) . ' ' . backquote($field_name[0]) . ' ' . $field_type[0] . ' ';
-    if ($field_length[0] != '') {
-        $query .= '(' . $field_length[0] . ') ';
-    }
+    // Some field types shouldn't have lengths
+    switch (strtoupper($field_type[0]))
+    {
+        case 'DATE':
+        case 'DATETIME':
+        case 'TIME':
+        case 'TINYBLOB':
+        case 'TINYTEXT':
+        case 'BLOB':
+        case 'TEXT':
+        case 'MEDIUMBLOB':
+        case 'MEDIUMTEXT':
+        case 'LONGBLOB':
+        case 'LONGTEXT':
+            break;
+
+        default:
+            if ($field_length[0] != '') {
+                $query .= '(' . $field_length[0] . ') ';
+            };
+    };
     if ($field_attribute[0] != '') {
         $query .= $field_attribute[0] . ' ';
     }