diff --git a/ext/iconv/tests/iconv_mime_encode.phpt b/ext/iconv/tests/iconv_mime_encode.phpt
index 71d1946e448..f002ec75faf 100644
--- a/ext/iconv/tests/iconv_mime_encode.phpt
+++ b/ext/iconv/tests/iconv_mime_encode.phpt
@@ -11,9 +11,16 @@ function my_error_handler($errno, $errmsg, $filename, $linenum, $vars)
 	echo "$errno: $errmsg\n";
 }
 set_error_handler('my_error_handler');
+$preference = array(
+	"scheme" => "B",
+	"output-charset" => "ISO-2022-JP",
+	"input-charset" => "EUC-JP",
+	"line-break-chars" => "\n"
+);
 for ($line_len= 0; $line_len < 80; ++$line_len) {
 	print "-------- line length=$line_len\n";
-	$result = iconv_mime_encode("From", "サンプル文字列サンプル文字列日本語テキスト", "B", "ISO-2022-JP", "EUC-JP", $line_len, "\n");
+	$preference["line-length"] = $line_len;
+	$result = iconv_mime_encode("From", "サンプル文字列サンプル文字列日本語テキスト", $preference);
 	var_dump($result);
 	if ($result !== false) {
 		list($max) = rsort(array_map("strlen", explode("\n", $result)));