diff --git a/Courses.php b/Courses.php
index 9602f60..2d939a8 100644
--- a/Courses.php
+++ b/Courses.php
@@ -324,7 +324,7 @@ include 'Header.php';
             }
             echo "</div>";
 
-            $resultx1 = mysqli_query($con, "SELECT course_students_table.Student_ID, users_table.Full_Name
+            $resultx1 = mysqli_query($con, "SELECT DISTINCT course_students_table.Student_ID, users_table.Full_Name
                                             FROM course_students_table
                                             INNER JOIN users_table on users_table.Student_ID=course_students_table.Student_ID
                                             WHERE Course_ID=$course_id");