diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 2812280894c..f6f4dabc149 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -2039,6 +2039,15 @@ function usergetdate($time, $timezone=99) {
         $getdate['seconds']
     ) = explode('_', $datestring);
 
+    // set correct datatype to match with getdate()
+    $getdate['seconds'] = (int)$getdate['seconds'];
+    $getdate['yday'] = (int)$getdate['yday'] - 1; // gettime returns 0 through 365
+    $getdate['year'] = (int)$getdate['year'];
+    $getdate['mon'] = (int)$getdate['mon'];
+    $getdate['wday'] = (int)$getdate['wday'];
+    $getdate['mday'] = (int)$getdate['mday'];
+    $getdate['hours'] = (int)$getdate['hours'];
+    $getdate['minutes']  = (int)$getdate['minutes'];
     return $getdate;
 }
 
diff --git a/lib/simpletest/testmoodlelib.php b/lib/simpletest/testmoodlelib.php
index 30d921c4bf6..a2f47c85552 100644
--- a/lib/simpletest/testmoodlelib.php
+++ b/lib/simpletest/testmoodlelib.php
@@ -1028,7 +1028,7 @@ class moodlelib_test extends UnitTestCase {
         $this->assertEqual($wday,3);
         $this->assertEqual($mon,12);
         $this->assertEqual($year,2009);
-        $this->assertEqual($yday,357);
+        $this->assertEqual($yday,356);
         $this->assertEqual($weekday, 'Wednesday');
         $this->assertEqual($month, 'December');
 
@@ -1043,7 +1043,7 @@ class moodlelib_test extends UnitTestCase {
         $this->assertEqual($wday,3);
         $this->assertEqual($mon,12);
         $this->assertEqual($year,2009);
-        $this->assertEqual($yday,357);
+        $this->assertEqual($yday,356);
         $this->assertEqual($weekday, 'Wednesday');
         $this->assertEqual($month, 'December');