diff --git a/src/Api/loadCoursePeople.php b/src/Api/loadCoursePeople.php
index 4ba78f54cf..21c78978df 100644
--- a/src/Api/loadCoursePeople.php
+++ b/src/Api/loadCoursePeople.php
@@ -50,7 +50,7 @@
 		FROM course_user AS cu, user AS u
 		WHERE cu.userId = u.userId 
         AND cu.courseId = '$courseId'
-		ORDER BY firstName
+		ORDER BY lastName
 		";
     $result = $conn->query($sql);
     if ($result) {
diff --git a/src/_reactComponents/Course/CourseActions.jsx b/src/_reactComponents/Course/CourseActions.jsx
index 26928f800f..c6d842bb8d 100644
--- a/src/_reactComponents/Course/CourseActions.jsx
+++ b/src/_reactComponents/Course/CourseActions.jsx
@@ -1524,7 +1524,15 @@ export const useCourse = (courseId) => {
         ...options,
       });
       if(success) {
-        set(peopleAtomByCourseId(courseId), (prev) => ([...prev, {...serverUserData}]));
+        set(peopleAtomByCourseId(courseId), (prev) => {
+          const next = [...prev];
+          next.splice(
+            prev.findIndex(({lastName}) => (serverUserData.lastName < lastName)), 
+            0,
+            {...serverUserData}
+          )
+          return next;
+        });
         successCallback(message);
       } else {
         throw new Error(message);