diff --git a/modules/backend/formwidgets/DatePicker.php b/modules/backend/formwidgets/DatePicker.php
index dc9cc3ccd..1e283aaff 100644
--- a/modules/backend/formwidgets/DatePicker.php
+++ b/modules/backend/formwidgets/DatePicker.php
@@ -126,7 +126,8 @@ class DatePicker extends FormWidgetBase
             return null;
         }
 
-        if ($this->mode == 'datetime' && $timeValue = post(self::TIME_PREFIX.$this->formField->getName(false))) {
+        $timeValue = post(self::TIME_PREFIX . $this->formField->getName(false));
+        if ($this->mode == 'datetime' && $timeValue) {
             $value .= ' ' . $timeValue . ':00';
         }
         elseif ($this->mode == 'time') {