diff --git a/sql/swad.sql b/sql/swad.sql
index 73c81e910..c9ad01c23 100644
--- a/sql/swad.sql
+++ b/sql/swad.sql
@@ -126,14 +126,6 @@ CREATE TABLE IF NOT EXISTS ban_banners (
 	UNIQUE INDEX(BanCod),
 	INDEX(Hidden));
 --
--- Table birthdays_today: stores birthdays already congratulated today
---
-CREATE TABLE IF NOT EXISTS birthdays_today (
-	UsrCod INT NOT NULL,
-	Today DATE NOT NULL,
-	UNIQUE INDEX(UsrCod),
-	INDEX(Today));
---
 -- Table buildings: buildings in a center
 --
 CREATE TABLE IF NOT EXISTS buildings (
@@ -1603,6 +1595,14 @@ CREATE TABLE IF NOT EXISTS usr_banned (
 	UsrCod INT NOT NULL,
 	UNIQUE INDEX(UsrCod));
 --
+-- Table usr_birthdays_today: stores birthdays already congratulated today
+--
+CREATE TABLE IF NOT EXISTS usr_birthdays_today (
+	UsrCod INT NOT NULL,
+	Today DATE NOT NULL,
+	UNIQUE INDEX(UsrCod),
+	INDEX(Today));
+--
 -- Table usr_data: stores users' data
 --
 CREATE TABLE IF NOT EXISTS usr_data (
diff --git a/swad_changelog.h b/swad_changelog.h
index 66fc4a58c..cc5cf3ef7 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -600,12 +600,16 @@ TODO: Salvador Romero Cort
 
 TODO: FIX BUG, URGENT! En las fechas como parámetro Dat_WriteParamsIniEndDates(), por ejemplo al cambiar el color de la gráfica de accesos por día y hora, no se respeta la zona horaria.
 */
-#define Log_PLATFORM_VERSION	"SWAD 20.50.4 (2021-03-17)"
+#define Log_PLATFORM_VERSION	"SWAD 20.50.5 (2021-03-17)"
 #define CSS_FILE		"swad20.45.css"
 #define JS_FILE			"swad20.6.2.js"
 /*
 TODO: Rename CENTRE to CENTER in help wiki.
 
+	Version 20.50.5:  Mar 17, 2021  Birthdays-today database table renamed. (307288 lines)
+					1 change necessary in database:
+RENAME TABLE birthdays_today TO usr_birthdays_today;
+
 	Version 20.50.4:  Mar 17, 2021  Banners database table renamed. (307280 lines)
 					1 change necessary in database:
 RENAME TABLE banners TO ban_banners;
diff --git a/swad_database.c b/swad_database.c
index c45b4d56e..8aa7ad8d1 100644
--- a/swad_database.c
+++ b/swad_database.c
@@ -358,24 +358,6 @@ mysql> DESCRIBE ban_banners;
 		   "UNIQUE INDEX(BanCod),"
 		   "INDEX(Hidden))");
 
-   /***** Table birthdays_today *****/
-   // Stores birthdays already congratulated today
-/*
-mysql> DESCRIBE birthdays_today;
-+--------+---------+------+-----+---------+-------+
-| Field  | Type    | Null | Key | Default | Extra |
-+--------+---------+------+-----+---------+-------+
-| UsrCod | int(11) | NO   | PRI | NULL    |       |
-| Today  | date    | NO   | MUL | NULL    |       |
-+--------+---------+------+-----+---------+-------+
-2 rows in set (0.09 sec)
-*/
-   DB_CreateTable ("CREATE TABLE IF NOT EXISTS birthdays_today ("
-			"UsrCod INT NOT NULL,"
-			"Today DATE NOT NULL,"
-		   "UNIQUE INDEX(UsrCod),"
-		   "INDEX(Today))");
-
    /***** Table buildings *****/
 /*
 mysql> DESCRIBE buildings;
@@ -3394,6 +3376,24 @@ mysql> DESCRIBE usr_banned;
 			"UsrCod INT NOT NULL,"
 		   "UNIQUE INDEX(UsrCod))");
 
+   /***** Table usr_birthdays_today *****/
+   // Stores birthdays already congratulated today
+/*
+mysql> DESCRIBE usr_birthdays_today;
++--------+---------+------+-----+---------+-------+
+| Field  | Type    | Null | Key | Default | Extra |
++--------+---------+------+-----+---------+-------+
+| UsrCod | int(11) | NO   | PRI | NULL    |       |
+| Today  | date    | NO   | MUL | NULL    |       |
++--------+---------+------+-----+---------+-------+
+2 rows in set (0.09 sec)
+*/
+   DB_CreateTable ("CREATE TABLE IF NOT EXISTS usr_birthdays_today ("
+			"UsrCod INT NOT NULL,"
+			"Today DATE NOT NULL,"
+		   "UNIQUE INDEX(UsrCod),"
+		   "INDEX(Today))");
+
    /***** Table usr_data *****/
 /*
 mysql> DESCRIBE usr_data;
diff --git a/swad_user.c b/swad_user.c
index 6b0012b31..09edafea5 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -2698,7 +2698,8 @@ static bool Usr_CheckIfMyBirthdayHasNotBeenCongratulated (void)
   {
    /***** Delete old birthdays *****/
    return (DB_QueryCOUNT ("can not check if my birthday has been congratulated",
-			  "SELECT COUNT(*) FROM birthdays_today"
+			  "SELECT COUNT(*)"
+			   " FROM usr_birthdays_today"
 			  " WHERE UsrCod=%ld",
 			  Gbl.Usrs.Me.UsrDat.UsrCod) == 0);
   }
@@ -2711,11 +2712,12 @@ static void Usr_InsertMyBirthday (void)
   {
    /***** Delete old birthdays *****/
    DB_QueryDELETE ("can not delete old birthdays",
-		   "DELETE FROM birthdays_today WHERE Today<>CURDATE()");
+		   "DELETE FROM usr_birthdays_today"
+		   " WHERE Today<>CURDATE()");
 
    /***** Insert new birthday *****/
    DB_QueryINSERT ("can not insert birthday",
-		   "INSERT INTO birthdays_today"
+		   "INSERT INTO usr_birthdays_today"
 	           " (UsrCod,Today)"
 	           " VALUES"
 	           " (%ld,CURDATE())",