diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 0430c7f29db..468cc35c089 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -2095,6 +2095,15 @@ 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/tests/moodlelib_test.php b/lib/tests/moodlelib_test.php
index e00c015405f..8552f6a2e51 100644
--- a/lib/tests/moodlelib_test.php
+++ b/lib/tests/moodlelib_test.php
@@ -1020,10 +1020,9 @@ class moodlelib_testcase extends advanced_testcase {
         $this->assertEquals($wday,3);
         $this->assertEquals($mon,12);
         $this->assertEquals($year,2009);
-        $this->assertEquals($yday,357);
+        $this->assertEquals($yday,356);
         $this->assertEquals($weekday, 'Wednesday');
         $this->assertEquals($month, 'December');
-
         $arr = usergetdate($ts);//gets the timezone from the $USER object
         $arr = array_values($arr);
 
@@ -1035,10 +1034,9 @@ class moodlelib_testcase extends advanced_testcase {
         $this->assertEquals($wday,3);
         $this->assertEquals($mon,12);
         $this->assertEquals($year,2009);
-        $this->assertEquals($yday,357);
+        $this->assertEquals($yday,356);
         $this->assertEquals($weekday, 'Wednesday');
         $this->assertEquals($month, 'December');
-
         //set the timezone back to what it was
         $USER->timezone = $userstimezone;