diff --git a/src/views/components/common/PopupCourseBlock.tsx b/src/views/components/common/PopupCourseBlock.tsx
index 6cd7f69ea..2b21ea7fc 100644
--- a/src/views/components/common/PopupCourseBlock.tsx
+++ b/src/views/components/common/PopupCourseBlock.tsx
@@ -78,8 +78,9 @@ export default function PopupCourseBlock({
                 <DragIndicatorIcon className='h-6 w-6 text-white' />
             </div>
             <Text className={clsx('flex-1 py-3.5 truncate', fontColor)} variant='h1-course'>
-                <span className='px-0.5 font-450'>{formattedUniqueId}</span> {course.department} {course.number} &ndash;{' '}
-                {course.instructors.length === 0 ? 'Unknown' : course.instructors.map(v => v.lastName)}
+                <span className='px-0.5 font-450'>{formattedUniqueId}</span> {course.department} {course.number}
+                {course.instructors.length > 0 ? <> &ndash; </> : ''}
+                {course.instructors.map(v => v.toString({ format: 'last', case: 'capitalize' })).join('; ')}
             </Text>
             {enableCourseStatusChips && course.status !== Status.OPEN && (
                 <div
diff --git a/src/views/components/injected/CourseCatalogInjectedPopup/HeadingAndActions.tsx b/src/views/components/injected/CourseCatalogInjectedPopup/HeadingAndActions.tsx
index 6e12cc46a..a414791c2 100644
--- a/src/views/components/injected/CourseCatalogInjectedPopup/HeadingAndActions.tsx
+++ b/src/views/components/injected/CourseCatalogInjectedPopup/HeadingAndActions.tsx
@@ -54,11 +54,8 @@ export default function HeadingAndActions({ course, activeSchedule, onClose }: H
     const formattedUniqueId = uniqueId.toString().padStart(5, '0');
     const isInCalendar = useCalendar();
 
-    const getInstructorFullName = (instructor: Instructor) => {
-        const { firstName = '', lastName = '' } = instructor;
-        if (firstName === '') return capitalizeString(lastName);
-        return `${capitalizeString(firstName)} ${capitalizeString(lastName)}`;
-    };
+    const getInstructorFullName = (instructor: Instructor) =>
+        instructor.toString({ format: 'first_last', case: 'capitalize' });
 
     const getBuildingUrl = (building: string) =>
         `https://utdirect.utexas.edu/apps/campus/buildings/nlogon/maps/UTM/${building}`;
diff --git a/src/views/hooks/useFlattenedCourseSchedule.ts b/src/views/hooks/useFlattenedCourseSchedule.ts
index 58ee6d0e6..50e0bd7a3 100644
--- a/src/views/hooks/useFlattenedCourseSchedule.ts
+++ b/src/views/hooks/useFlattenedCourseSchedule.ts
@@ -95,9 +95,11 @@ function extractCourseInfo(course: Course) {
 
     let courseDeptAndInstr = `${course.department} ${course.number}`;
 
-    const mainInstructor = course.instructors[0];
-    if (mainInstructor) {
-        courseDeptAndInstr += ` – ${mainInstructor.toString({ format: 'first_last', case: 'capitalize' })}`;
+    if (course.instructors.length > 0) {
+        courseDeptAndInstr += ' \u2013 ';
+        courseDeptAndInstr += course.instructors
+            .map(instructor => instructor.toString({ format: 'last', case: 'capitalize' }))
+            .join('; ');
     }
 
     return { status, courseDeptAndInstr, meetings, course };