diff --git a/Courses.php b/Courses.php
index 028fd10..01482f0 100644
--- a/Courses.php
+++ b/Courses.php
@@ -329,13 +329,13 @@ include 'Header.php';
                                             INNER JOIN users_table on users_table.Student_ID=course_students_table.Student_ID
                                             WHERE Course_ID=$course_id");
 
-            echo "<span id='dropstudents' style='display:none;'> <select name='stdid'>";
+            echo "<span id='dropstudents' style='display:none;'> <select name='studentid'>";
             while($row = mysqli_fetch_assoc($resultx1))
             {
-		$stdid=$row['Student_ID'];
+		$studentid=$row['Student_ID'];
 		$stdname=$row['Full_Name'];
 
-		echo "<option value='$stdid'> $stdname($stdid) </option> ";
+		echo "<option value='$studentid'> $stdname($studentid) </option> ";
             }
             echo "</select><br>Reason <input type='text' name='reason'>"
                . "<input type='hidden' name='url' value='$course_url'>"
diff --git a/Script.php b/Script.php
index 4074d5e..f664eee 100644
--- a/Script.php
+++ b/Script.php
@@ -867,7 +867,7 @@ if (!empty($_GET["extenddeadline"])) {
     $time = mysqli_real_escape_string($con, $_GET["time"]);
     $type = mysqli_real_escape_string($con, $_GET["type"]);
 
-    $stdid = mysqli_real_escape_string($con, $_GET["stdid"]);
+    $studentid = mysqli_real_escape_string($con, $_GET["studentid"]);
     $reason = mysqli_real_escape_string($con, $_GET["reason"]);
     $url = mysqli_real_escape_string($con, $_GET["url"]);
     $deadline = $date . " " . $time;
@@ -877,7 +877,7 @@ if (!empty($_GET["extenddeadline"])) {
     } else {
         $sql = "INSERT INTO `extended_deadlines_table`(`Student_ID`, "
             . "`Lab_Report_ID`, `Extended_Deadline_Date`,"
-            . " `ReasonsForExtension`) VALUES ('$stdid','$id','$deadline','$reason')";
+            . " `ReasonsForExtension`) VALUES ('$studentid','$id','$deadline','$reason')";
     }
 
     if ($con->query($sql) === TRUE) {