diff --git a/tests/unit/spinner/spinner.html b/tests/unit/spinner/spinner.html
index ddfb03d91d..321c16b4cb 100644
--- a/tests/unit/spinner/spinner.html
+++ b/tests/unit/spinner/spinner.html
@@ -9,6 +9,7 @@
 	<script src="../../jquery.js"></script>
 	<script src="../../../external/jquery.mousewheel-3.0.4.js"></script>
 	<script src="../../../external/globalize.js"></script>
+	<script src="../../../external/globalize.culture.ja-JP.js"></script>
 	<script src="../../../ui/jquery.ui.core.js"></script>
 	<script src="../../../ui/jquery.ui.widget.js"></script>
 	<script src="../../../ui/jquery.ui.button.js"></script>
diff --git a/tests/unit/spinner/spinner_defaults.js b/tests/unit/spinner/spinner_defaults.js
index 3321f87336..0a4e7c2360 100644
--- a/tests/unit/spinner/spinner_defaults.js
+++ b/tests/unit/spinner/spinner_defaults.js
@@ -1,5 +1,6 @@
 commonWidgetTests( "spinner", {
 	defaults: {
+		culture: null,
 		disabled: false,
 		incremental: true,
 		max: null,
diff --git a/tests/unit/spinner/spinner_options.js b/tests/unit/spinner/spinner_options.js
index 2b557cb698..8be57c7851 100644
--- a/tests/unit/spinner/spinner_options.js
+++ b/tests/unit/spinner/spinner_options.js
@@ -2,6 +2,8 @@
 
 module( "spinner: options" );
 
+// culture is tested after numberFormat, since it depends on numberFormat
+
 test( "incremental, false", function() {
 	expect( 100 );
 
@@ -91,6 +93,29 @@ test( "numberFormat, currency", function() {
 	equal( element.val(), "$1.00", "formatted after step" );
 });
 
+test( "culture, null", function() {
+	expect( 2 );
+	Globalize.culture( "ja-JP" );
+	var element = $( "#spin" ).val( 0 ).spinner({ numberFormat: "C" });
+	equal( element.val(), "¥0", "formatted on init" );
+	element.spinner( "stepUp" );
+	equal( element.val(), "¥1", "formatted after step" );
+
+	// reset culture
+	Globalize.culture( "default" );
+});
+
+test( "currency, ja-JP", function() {
+	expect( 2 );
+	var element = $( "#spin" ).val( 0 ).spinner({
+		numberFormat: "C",
+		culture: "ja-JP"
+	});
+	equal( element.val(), "¥0", "formatted on init" );
+	element.spinner( "stepUp" );
+	equal( element.val(), "¥1", "formatted after step" );
+});
+
 test( "max", function() {
 	expect( 3 );
 	var element = $( "#spin" ).val( 1000 ).spinner({ max: 100 });
diff --git a/ui/jquery.ui.spinner.js b/ui/jquery.ui.spinner.js
index 09df97be7b..31de2c9da2 100644
--- a/ui/jquery.ui.spinner.js
+++ b/ui/jquery.ui.spinner.js
@@ -30,6 +30,7 @@ $.widget( "ui.spinner", {
 	defaultElement: "<input>",
 	widgetEventPrefix: "spin",
 	options: {
+		culture: null,
 		incremental: true,
 		max: null,
 		min: null,
@@ -320,7 +321,8 @@ $.widget( "ui.spinner", {
 
 	_parse: function( val ) {
 		if ( typeof val === "string" && val !== "" ) {
-			val = window.Globalize && this.options.numberFormat ? Globalize.parseFloat( val ) : +val;
+			val = window.Globalize && this.options.numberFormat ?
+				Globalize.parseFloat( val, 10, this.options.culture ) : +val;
 		}
 		return val === "" || isNaN( val ) ? null : val;
 	},
@@ -330,7 +332,7 @@ $.widget( "ui.spinner", {
 			return "";
 		}
 		return window.Globalize && this.options.numberFormat ?
-			Globalize.format( value, this.options.numberFormat ) :
+			Globalize.format( value, this.options.numberFormat, this.options.culture ) :
 			value;
 	},