diff --git a/src/app/api/auth/register/route.ts b/src/app/api/auth/register/route.ts
index 1b96dce..edfae97 100644
--- a/src/app/api/auth/register/route.ts
+++ b/src/app/api/auth/register/route.ts
@@ -12,6 +12,17 @@ export async function POST(request: Request) {
       return NextResponse.json({ error: "Pflichtfelder fehlen" }, { status: 400 });
     }
 
+    const existingManager = await prisma.manager.findUnique({
+      where: { email },
+    });
+
+    if (existingManager) {
+      return NextResponse.json(
+        { error: "Ein Manager kann nicht gleichzeitig ein User sein" },
+        { status: 409 }
+      );
+    }
+
     const supabase = await createClient();
 
     const { data, error } = await supabase.auth.signUp({
diff --git a/src/modules/auth/ui/views/forgot-password-view.tsx b/src/modules/auth/ui/views/forgot-password-view.tsx
index 5458145..632114e 100644
--- a/src/modules/auth/ui/views/forgot-password-view.tsx
+++ b/src/modules/auth/ui/views/forgot-password-view.tsx
@@ -95,10 +95,7 @@ const ForgotPasswordView = () => {
 
           <div className="flex flex-col sm:flex-row gap-2 items-center mt-8 text-sm">
             <p>Zurück zum</p>
-            <p
-              className="text-yellow hover:underline cursor-pointer"
-              onClick={() => router.push("/login")}
-            >
+            <p className="text-blue underline cursor-pointer" onClick={() => router.push("/login")}>
               Login
             </p>
           </div>
diff --git a/src/modules/courses/ui/views/course-create-view.tsx b/src/modules/courses/ui/views/course-create-view.tsx
index c59c99b..65aebac 100644
--- a/src/modules/courses/ui/views/course-create-view.tsx
+++ b/src/modules/courses/ui/views/course-create-view.tsx
@@ -436,7 +436,7 @@ const CourseCreateView = ({
           </Button>
         </div>
         <button
-          className="mt-6 w-fit cursor-pointer hover:underline disabled:opacity-50 disabled:cursor-not-allowed"
+          className="mt-6 mb-4 w-fit cursor-pointer hover:underline disabled:opacity-50 disabled:cursor-not-allowed"
           onClick={() => handleSubmit("draft")}
           disabled={isSubmitting}
         >