diff --git a/frontend/src/API/API.ts b/frontend/src/API/API.ts
index d87594c..cfd5b61 100644
--- a/frontend/src/API/API.ts
+++ b/frontend/src/API/API.ts
@@ -7,7 +7,7 @@ import {
 } from "../Types/goTypes";
 
 // This type of pattern should be hard to misuse
-interface APIResponse<T> {
+export interface APIResponse<T> {
   success: boolean;
   message?: string;
   data?: T;
diff --git a/frontend/src/Components/LoginCheck.tsx b/frontend/src/Components/LoginCheck.tsx
index af45d0f..3658cbf 100644
--- a/frontend/src/Components/LoginCheck.tsx
+++ b/frontend/src/Components/LoginCheck.tsx
@@ -1,34 +1,54 @@
 import { NewUser } from "../Types/goTypes";
+import { api, APIResponse } from "../API/API";
+import { Dispatch, SetStateAction } from "react";
 
-function LoginCheck(props: { username: string; password: string }): number {
-  //Example users for testing without backend, remove when using backend
-  const admin: NewUser = {
-    username: "admin",
-    password: "123",
-  };
-  const pmanager: NewUser = {
-    username: "pmanager",
-    password: "123",
-  };
+/*
+ * Checks if user is in database with api.login and then sets proper authority level
+ * TODO: change so that it checks for user type (admin, user, pm) somehow instead
+ **/
+function LoginCheck(props: {
+  username: string;
+  password: string;
+  setAuthority: Dispatch<SetStateAction<number>>;
+}): number {
   const user: NewUser = {
-    username: "user",
-    password: "123",
+    username: props.username,
+    password: props.password,
   };
+  api
+    .login(user)
+    .then((response: APIResponse<string>) => {
+      if (response.success) {
+        if (response.data !== undefined) {
+          const token = response.data;
+          //TODO: change so that it checks for user type (admin, user, pm) instead
+          if (token !== "" && props.username === "admin") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 1;
+              return prevAuth;
+            });
+          } else if (token !== "" && props.username === "pm") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 2;
+              return prevAuth;
+            });
+          } else if (token !== "" && props.username === "user") {
+            props.setAuthority((prevAuth) => {
+              prevAuth = 3;
+              return prevAuth;
+            });
+          }
+        } else {
+          console.error("Token was undefined");
+        }
+      } else {
+        console.error("Token could not be fetched");
+      }
+    })
+    .catch((error) => {
+      console.error("An error occurred during login:", error);
+    });
 
-  //TODO: Compare with db instead when finished
-  if (props.username === admin.username && props.password === admin.password) {
-    return 1;
-  } else if (
-    props.username === pmanager.username &&
-    props.password === pmanager.password
-  ) {
-    return 2;
-  } else if (
-    props.username === user.username &&
-    props.password === user.password
-  ) {
-    return 3;
-  }
   return 0;
 }
 
diff --git a/frontend/src/Pages/LoginPage.tsx b/frontend/src/Pages/LoginPage.tsx
index f58f3e0..1ff8c9c 100644
--- a/frontend/src/Pages/LoginPage.tsx
+++ b/frontend/src/Pages/LoginPage.tsx
@@ -15,9 +15,10 @@ function LoginPage(props: {
    and if so, redirect to correct page */
   function handleSubmit(event: FormEvent<HTMLFormElement>): void {
     event.preventDefault();
-    props.setAuthority((prevAuth) => {
-      prevAuth = LoginCheck({ username: username, password: password });
-      return prevAuth;
+    LoginCheck({
+      username: username,
+      password: password,
+      setAuthority: props.setAuthority,
     });
   }
 
diff --git a/frontend/src/Pages/ProjectManagerPages/PMProjectMembers.tsx b/frontend/src/Pages/ProjectManagerPages/PMProjectMembers.tsx
index 2af1145..bbafd6a 100644
--- a/frontend/src/Pages/ProjectManagerPages/PMProjectMembers.tsx
+++ b/frontend/src/Pages/ProjectManagerPages/PMProjectMembers.tsx
@@ -14,6 +14,7 @@ function PMProjectMembers(): JSX.Element {
           onClick={(): void => {
             return;
           }}
+          type={"button"}
         />
       </Link>
       <Link to="/PM-time-role">
@@ -22,6 +23,7 @@ function PMProjectMembers(): JSX.Element {
           onClick={(): void => {
             return;
           }}
+          type={"button"}
         />
       </Link>
       <BackButton />