diff --git a/ext/mysqli/mysqli.c b/ext/mysqli/mysqli.c
index 48a544d0c73d7..c95154c349cbc 100644
--- a/ext/mysqli/mysqli.c
+++ b/ext/mysqli/mysqli.c
@@ -806,7 +806,9 @@ PHP_MINIT_FUNCTION(mysqli)
 	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_HOSTS",      REFRESH_HOSTS, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_STATUS",     REFRESH_STATUS, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_THREADS",    REFRESH_THREADS, CONST_CS | CONST_PERSISTENT);
-	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_SLAVE",      REFRESH_SLAVE, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_REPLICA",    REFRESH_REPLICA, CONST_CS | CONST_PERSISTENT);
+	/* temporarily for backward compatibility */
+	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_SLAVE",      REFRESH_REPLICA, CONST_CS | CONST_PERSISTENT);
 	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_MASTER",     REFRESH_MASTER, CONST_CS | CONST_PERSISTENT);
 #ifdef REFRESH_BACKUP_LOG
 	REGISTER_LONG_CONSTANT("MYSQLI_REFRESH_BACKUP_LOG", REFRESH_BACKUP_LOG, CONST_CS | CONST_PERSISTENT);
diff --git a/ext/mysqli/tests/mysqli_constants.phpt b/ext/mysqli/tests/mysqli_constants.phpt
index 22e3cd9d2ba5e..6297d56b34033 100644
--- a/ext/mysqli/tests/mysqli_constants.phpt
+++ b/ext/mysqli/tests/mysqli_constants.phpt
@@ -93,6 +93,7 @@ mysqli.allow_local_infile=1
         "MYSQLI_REFRESH_HOSTS"				=> true,
         "MYSQLI_REFRESH_STATUS"				=> true,
         "MYSQLI_REFRESH_THREADS"			=> true,
+        "MYSQLI_REFRESH_REPLICA"			=> true,
         "MYSQLI_REFRESH_SLAVE"				=> true,
         "MYSQLI_REFRESH_MASTER"				=> true,
         "MYSQLI_DEBUG_TRACE_ENABLED"		=> true,
diff --git a/ext/mysqlnd/mysqlnd_enum_n_def.h b/ext/mysqlnd/mysqlnd_enum_n_def.h
index 955eccac0e851..e4d6a4d55dd33 100644
--- a/ext/mysqlnd/mysqlnd_enum_n_def.h
+++ b/ext/mysqlnd/mysqlnd_enum_n_def.h
@@ -689,7 +689,8 @@ enum php_mysqlnd_server_command
 #define MYSQLND_REFRESH_HOSTS		8	/* Flush host cache */
 #define MYSQLND_REFRESH_STATUS		16	/* Flush status variables */
 #define MYSQLND_REFRESH_THREADS		32	/* Flush thread cache */
-#define MYSQLND_REFRESH_SLAVE		64	/* Reset master info and restart slave */
+#define MYSQLND_REFRESH_REPLICA		64	/* Reset master info and restart replica */
+#define MYSQLND_REFRESH_SLAVE		MYSQLND_REFRESH_REPLICA	/* temporarily for backward compatibility */
 #define MYSQLND_REFRESH_MASTER		128	/* Remove all bin logs in the index */
 #define MYSQLND_REFRESH_BACKUP_LOG	0x200000L
 
diff --git a/ext/mysqlnd/mysqlnd_libmysql_compat.h b/ext/mysqlnd/mysqlnd_libmysql_compat.h
index df4b96eec32f5..058cf34a2c6fe 100644
--- a/ext/mysqlnd/mysqlnd_libmysql_compat.h
+++ b/ext/mysqlnd/mysqlnd_libmysql_compat.h
@@ -124,7 +124,7 @@
 #define REFRESH_HOSTS		MYSQLND_REFRESH_HOSTS
 #define REFRESH_STATUS		MYSQLND_REFRESH_STATUS
 #define REFRESH_THREADS		MYSQLND_REFRESH_THREADS
-#define REFRESH_SLAVE		MYSQLND_REFRESH_SLAVE
+#define REFRESH_REPLICA		MYSQLND_REFRESH_REPLICA
 #define REFRESH_MASTER		MYSQLND_REFRESH_MASTER
 #define REFRESH_BACKUP_LOG	MYSQLND_REFRESH_BACKUP_LOG