diff --git a/public/viewjs/components/datetimepicker2.js b/public/viewjs/components/datetimepicker2.js
index 6b1beb73..68d54511 100644
--- a/public/viewjs/components/datetimepicker2.js
+++ b/public/viewjs/components/datetimepicker2.js
@@ -42,7 +42,7 @@ Grocy.Components.DateTimePicker2.Clear = function()
 		$("#datetimepicker2-shortcut").click();
 	}
 
-	$('#datetimepicker-timeago').text('');
+	$('#datetimepicker2-timeago').text('');
 }
 
 Grocy.Components.DateTimePicker2.ChangeFormat = function(format)
@@ -266,8 +266,8 @@ Grocy.Components.DateTimePicker2.GetInputElement().on('keyup', function(e)
 
 Grocy.Components.DateTimePicker2.GetInputElement().on('input', function(e)
 {
-	$('#datetimepicker-timeago').attr("datetime", Grocy.Components.DateTimePicker2.GetValue());
-	EmptyElementWhenMatches('#datetimepicker-timeago', __t('timeago_nan'));
+	$('#datetimepicker2-timeago').attr("datetime", Grocy.Components.DateTimePicker2.GetValue());
+	EmptyElementWhenMatches('#datetimepicker2-timeago', __t('timeago_nan'));
 	RefreshContextualTimeago("#datetimepicker2-wrapper");
 });
 
diff --git a/public/viewjs/purchase.js b/public/viewjs/purchase.js
index 66899934..c0a319ed 100644
--- a/public/viewjs/purchase.js
+++ b/public/viewjs/purchase.js
@@ -370,6 +370,21 @@ if (Grocy.Components.DateTimePicker)
 	});
 }
 
+if (Grocy.Components.DateTimePicker2)
+{
+	Grocy.Components.DateTimePicker2.GetInputElement().on('change', function(e)
+	{
+		Grocy.FrontendHelpers.ValidateForm('purchase-form');
+	});
+
+	Grocy.Components.DateTimePicker2.GetInputElement().on('keypress', function(e)
+	{
+		Grocy.FrontendHelpers.ValidateForm('purchase-form');
+	});
+
+	Grocy.Components.DateTimePicker2.GetInputElement().trigger("input");
+}
+
 $('#price').on('change', function(e)
 {
 	refreshPriceHint();