diff --git a/phpini/edit_dirs.cgi b/phpini/edit_dirs.cgi
index be15edc7d..13d343345 100755
--- a/phpini/edit_dirs.cgi
+++ b/phpini/edit_dirs.cgi
@@ -22,7 +22,7 @@ print &ui_table_row(&opt_help($text{'dirs_include'}, 'include'),
 	&file_chooser_button("include", 1, undef, undef, 1));
 
 $inidir = &get_php_ini_dir($in{'file'});
-if (!$inidir) {
+if (!$inidir && &get_config_fmt() eq 'ini') {
 	# Extensions directory
 	print &ui_table_row($text{'dirs_ext'},
 		&ui_opt_textbox("ext", &find_value("extension_dir", $conf),
diff --git a/phpini/save_dirs.cgi b/phpini/save_dirs.cgi
index cc500948c..9c45b6a27 100755
--- a/phpini/save_dirs.cgi
+++ b/phpini/save_dirs.cgi
@@ -20,7 +20,7 @@ else {
 	}
 
 $inidir = &get_php_ini_dir($in{'file'});
-if (!$inidir) {
+if (!$inidir && &get_config_fmt() eq 'ini') {
 	$in{'ext_def'} || $in{'ext'} =~ /\S/ || &error($text{'dirs_eext'});
 	&save_directive($conf, "extension_dir",
 			$in{'ext_def'} ? undef : $in{'ext'});