diff --git a/backend/src/controllers/assignments.ts b/backend/src/controllers/assignments.ts
index bc01c9c2..16dbb310 100644
--- a/backend/src/controllers/assignments.ts
+++ b/backend/src/controllers/assignments.ts
@@ -64,7 +64,6 @@ export async function getAssignmentsSubmissionsHandler(req: Request<AssignmentPa
     const assignmentNumber = +req.params.id;
     const full = req.query.full === 'true';
 
-
     if (isNaN(assignmentNumber)) {
         res.status(400).json({ error: 'Assignment id must be a number' });
         return;
diff --git a/backend/src/controllers/submissions.ts b/backend/src/controllers/submissions.ts
index 361daaff..512ac22e 100644
--- a/backend/src/controllers/submissions.ts
+++ b/backend/src/controllers/submissions.ts
@@ -39,7 +39,7 @@ export async function createSubmissionHandler(req: Request, res: Response) {
         res.status(400).json({ error: 'Failed to create submission' });
         return;
     }
-    
+
     res.json(submission);
 }
 
diff --git a/backend/src/controllers/teachers.ts b/backend/src/controllers/teachers.ts
index 65c1a360..559e0d3d 100644
--- a/backend/src/controllers/teachers.ts
+++ b/backend/src/controllers/teachers.ts
@@ -57,7 +57,7 @@ export async function createTeacherHandler(req: Request, res: Response) {
     const newUser = await createTeacher(userData);
 
     if (!newUser) {
-        res.status(400).json({ error: "Failed to create teacher" });
+        res.status(400).json({ error: 'Failed to create teacher' });
         return;
     }
 
diff --git a/backend/src/interfaces/submission.ts b/backend/src/interfaces/submission.ts
index 76e85490..de47e81d 100644
--- a/backend/src/interfaces/submission.ts
+++ b/backend/src/interfaces/submission.ts
@@ -46,7 +46,7 @@ export function mapToSubmissionDTOId(submission: Submission): SubmissionDTOId {
         learningObjectVersion: submission.learningObjectVersion,
 
         submissionNumber: submission.submissionNumber,
-    }
+    };
 }
 
 export function mapToSubmission(submissionDTO: SubmissionDTO): Submission {
diff --git a/backend/src/services/assignments.ts b/backend/src/services/assignments.ts
index 06ff2efb..688f9a79 100644
--- a/backend/src/services/assignments.ts
+++ b/backend/src/services/assignments.ts
@@ -60,7 +60,11 @@ export async function getAssignment(classid: string, id: number): Promise<Assign
     return mapToAssignmentDTO(assignment);
 }
 
-export async function getAssignmentsSubmissions(classid: string, assignmentNumber: number, full: boolean): Promise<SubmissionDTO[] | SubmissionDTOId[]> {
+export async function getAssignmentsSubmissions(
+    classid: string,
+    assignmentNumber: number,
+    full: boolean
+): Promise<SubmissionDTO[] | SubmissionDTOId[]> {
     const classRepository = getClassRepository();
     const cls = await classRepository.findById(classid);
 
diff --git a/backend/src/services/groups.ts b/backend/src/services/groups.ts
index 45845954..d4ced41a 100644
--- a/backend/src/services/groups.ts
+++ b/backend/src/services/groups.ts
@@ -104,9 +104,9 @@ export async function getAllGroups(classId: string, assignmentNumber: number, fu
 }
 
 export async function getGroupSubmissions(
-    classId: string, 
-    assignmentNumber: number, 
-    groupNumber: number, 
+    classId: string,
+    assignmentNumber: number,
+    groupNumber: number,
     full: boolean
 ): Promise<SubmissionDTO[] | SubmissionDTOId[]> {
     const classRepository = getClassRepository();
diff --git a/backend/src/services/students.ts b/backend/src/services/students.ts
index 7a224f8f..4775c8a4 100644
--- a/backend/src/services/students.ts
+++ b/backend/src/services/students.ts
@@ -16,7 +16,7 @@ export async function getAllStudents(full: boolean): Promise<StudentDTO[] | stri
         return students.map(mapToStudentDTO);
     }
 
-    return students.map(student => student.username);
+    return students.map((student) => student.username);
 }
 
 export async function getStudent(username: string): Promise<StudentDTO | null> {
diff --git a/backend/src/services/teachers.ts b/backend/src/services/teachers.ts
index 314563b9..464a809f 100644
--- a/backend/src/services/teachers.ts
+++ b/backend/src/services/teachers.ts
@@ -22,7 +22,7 @@ export async function getAllTeachers(full: boolean): Promise<TeacherDTO[] | stri
         return teachers.map(mapToTeacherDTO);
     }
 
-    return teachers.map(teacher => teacher.username);
+    return teachers.map((teacher) => teacher.username);
 }
 
 export async function getTeacher(username: string): Promise<TeacherDTO | null> {
@@ -87,7 +87,7 @@ export async function getClassesByTeacher(username: string, full: boolean): Prom
 }
 
 export async function fetchStudentsByTeacher(username: string) {
-    const classes = await getClassesByTeacher(username, false) as string[];
+    const classes = (await getClassesByTeacher(username, false)) as string[];
 
     return (await Promise.all(classes.map(async (id) => getClassStudents(id)))).flat();
 }