diff --git a/sql/swad.sql b/sql/swad.sql
index 27300bc8..ff101bd5 100644
--- a/sql/swad.sql
+++ b/sql/swad.sql
@@ -573,7 +573,7 @@ CREATE TABLE IF NOT EXISTS hidden_params (
 	SessionId CHAR(43) NOT NULL,
 	Action INT NOT NULL,
 	ParamName VARCHAR(255) NOT NULL,
-	ParamValue TEXT NOT NULL,
+	ParamValue LONGTEXT NOT NULL,
 	INDEX(SessionId,Action));
 --
 -- Table holidays: stores the holidays in each institution
diff --git a/swad_changelog.h b/swad_changelog.h
index 050b102b..41ddb859 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -234,13 +234,17 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.209.1 (2017-05-08)"
+#define Log_PLATFORM_VERSION	"SWAD 16.209.2 (2017-05-08)"
 #define CSS_FILE		"swad16.208.7.css"
 #define JS_FILE			"swad16.206.3.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.209.2: May 09, 2017	Fixed bug in hidden parameters. (218831 lines)
+					1 change necessary in database:
+ALTER TABLE hidden_params CHANGE COLUMN ParamValue ParamValue LONGTEXT NOT NULL;
+
         Version 16.209.1: May 09, 2017	Removed unused code in records. (218828 lines)
         Version 16.209:   May 09, 2017	Confirmation of user's ID is made directly, without confirmation. (218836 lines)
 					1 change necessary in database:
diff --git a/swad_database.c b/swad_database.c
index ce94ae74..4d801079 100644
--- a/swad_database.c
+++ b/swad_database.c
@@ -1243,15 +1243,15 @@ mysql> DESCRIBE hidden_params;
 | SessionId  | char(43)     | NO   | MUL | NULL    |       |
 | Action     | int(11)      | NO   |     | NULL    |       |
 | ParamName  | varchar(255) | NO   |     | NULL    |       |
-| ParamValue | text         | NO   |     | NULL    |       |
+| ParamValue | longtext     | NO   |     | NULL    |       |
 +------------+--------------+------+-----+---------+-------+
-4 rows in set (0.00 sec)
+4 rows in set (0,00 sec)
 */
    DB_CreateTable ("CREATE TABLE IF NOT EXISTS hidden_params ("
 			"SessionId CHAR(43) NOT NULL,"	// Ses_BYTES_SESSION_ID
 			"Action INT NOT NULL,"
 			"ParamName VARCHAR(255) NOT NULL,"
-			"ParamValue TEXT NOT NULL,"
+			"ParamValue LONGTEXT NOT NULL,"
 		   "INDEX(SessionId,Action))");
 
    /***** Table holidays *****/