diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 49154e7cb84..9c28d6c1581 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -530,8 +530,9 @@ zend_function_entry basic_functions[] = {
 	PHP_FALIAS(is_double,			is_float,								NULL)
 	PHP_FALIAS(is_real,				is_float,								NULL)
 	PHP_FE(is_numeric,														NULL)
+	PHP_FE(is_binary,														NULL)
 	PHP_FE(is_string,														NULL)
-	PHP_FE(is_unicode,													NULL)
+	PHP_FE(is_unicode,														NULL)
 	PHP_FE(is_buffer,														NULL)
 	PHP_FE(is_array,														NULL)
 	PHP_FE(is_object,														NULL)
diff --git a/ext/standard/php_type.h b/ext/standard/php_type.h
index af7b09a1e9f..4b8345fe33a 100644
--- a/ext/standard/php_type.h
+++ b/ext/standard/php_type.h
@@ -32,6 +32,7 @@ PHP_FUNCTION(is_bool);
 PHP_FUNCTION(is_long);
 PHP_FUNCTION(is_float);
 PHP_FUNCTION(is_numeric);
+PHP_FUNCTION(is_binary);
 PHP_FUNCTION(is_string);
 PHP_FUNCTION(is_unicode);
 PHP_FUNCTION(is_binary);