diff --git a/assets/js/admin.js b/assets/js/admin.js
index feb6134..cc03c2a 100644
--- a/assets/js/admin.js
+++ b/assets/js/admin.js
@@ -2,22 +2,16 @@
 	'use strict';
 
 	$( function () {
+		$( '#woocommerce_pagarme_methods' ).on( 'change', function () {
+			var current = $( this ).val(),
+				elements = $( '#mainform h4:eq(0), #mainform table:eq(1)' );
 
-		function switchInstallmentsOptions( target ) {
-			var elements = $( '#mainform h4:eq(0), #mainform table:eq(1)' );
-
-			if ( 'ticket' === target ) {
+			if ( 'ticket' === current ) {
 				elements.hide();
 			} else {
 				elements.show();
 			}
-		}
-
-		switchInstallmentsOptions( $( '#woocommerce_pagarme_methods' ).val() );
-
-		$( '#woocommerce_pagarme_methods' ).on( 'change', function () {
-			switchInstallmentsOptions( $( this ).val() );
-		});
+		}).change();
 	});
 
 }( jQuery ));
diff --git a/assets/js/admin.min.js b/assets/js/admin.min.js
index dfd5821..2ba3ce6 100644
--- a/assets/js/admin.min.js
+++ b/assets/js/admin.min.js
@@ -1 +1 @@
-!function(a){"use strict";a(function(){function b(b){var c=a("#mainform h4:eq(0), #mainform table:eq(1)");"ticket"===b?c.hide():c.show()}b(a("#woocommerce_pagarme_methods").val()),a("#woocommerce_pagarme_methods").on("change",function(){b(a(this).val())})})}(jQuery);
\ No newline at end of file
+!function(a){"use strict";a(function(){a("#woocommerce_pagarme_methods").on("change",function(){var b=a(this).val(),c=a("#mainform h4:eq(0), #mainform table:eq(1)");"ticket"===b?c.hide():c.show()}).change()})}(jQuery);
\ No newline at end of file