diff --git a/src/components/AdminDashboard.tsx b/src/components/AdminDashboard.tsx
index 177ed16..ef3e2ab 100644
--- a/src/components/AdminDashboard.tsx
+++ b/src/components/AdminDashboard.tsx
@@ -761,9 +761,16 @@ export default function AdminDashboard({ token, adminUser, onLogout }: AdminDash
                                                     onClick={async () => {
                                                       setActionLoading(`${student.id}_${course.id}`);
                                                       try {
-                                                        const res = await fetch(`/api/admin/students/${student.id}/courses/${course.id}`, {
-                                                          method: isUnlocked ? 'DELETE' : 'POST',
-                                                          headers: { 'Authorization': `Bearer ${token}` }
+                                                        const res = await fetch(`/api/admin/students/${student.id}/unlock-course`, {
+                                                          method: 'POST',
+                                                          headers: { 
+                                                            'Authorization': `Bearer ${token}`,
+                                                            'Content-Type': 'application/json'
+                                                          },
+                                                          body: JSON.stringify({
+                                                            courseId: course.id,
+                                                            unlocked: !isUnlocked
+                                                          })
                                                         });
                                                         if (res.ok) {
                                                           fetchStudents();