diff --git a/module/productplan/js/create.ui.js b/module/productplan/js/create.ui.js
new file mode 100644
index 0000000000..15d47b9679
--- /dev/null
+++ b/module/productplan/js/create.ui.js
@@ -0,0 +1,4 @@
+function resetDelta()
+{
+    $(".radio-primary > input").attr("checked",false);
+}
diff --git a/module/productplan/ui/create.html.php b/module/productplan/ui/create.html.php
index bb2470736f..9100ec4b26 100644
--- a/module/productplan/ui/create.html.php
+++ b/module/productplan/ui/create.html.php
@@ -61,7 +61,9 @@ if($parent or !$product->shadow)
 
 formPanel
 (
-    set::title($lang->productplan->create),
+    set::title($title),
+    on::change('#begin', 'resetDelta'),
+    on::change('#end', 'resetDelta'),
     $formHeader,
     $parentForm,
     formGroup