diff --git a/src/auth/AuthGuard.ts b/src/auth/AuthGuard.ts
index c165079..e13b8eb 100644
--- a/src/auth/AuthGuard.ts
+++ b/src/auth/AuthGuard.ts
@@ -63,7 +63,7 @@ export default class AuthGuard {
     }
 
     public async getProofsForSession(session: Session & Partial<SessionData>): Promise<AuthProof<User>[]> {
-        if (!session.is_authenticated) return [];
+        if (!session.isAuthenticated) return [];
 
         const proofs = [];
         for (const method of this.authMethods) {
@@ -80,7 +80,7 @@ export default class AuthGuard {
         }
 
         if (proofs.length === 0) {
-            session.is_authenticated = false;
+            session.isAuthenticated = false;
             session.persistent = false;
         }
 
@@ -152,7 +152,7 @@ export default class AuthGuard {
         }
 
         // Login
-        session.is_authenticated = true;
+        session.isAuthenticated = true;
         session.persistent = persistSession;
         if (onLogin) await onLogin(user);
 
diff --git a/src/auth/password/PasswordAuthProof.ts b/src/auth/password/PasswordAuthProof.ts
index 21d9981..dca436f 100644
--- a/src/auth/password/PasswordAuthProof.ts
+++ b/src/auth/password/PasswordAuthProof.ts
@@ -6,7 +6,7 @@ import {Session, SessionData} from "express-session";
 
 export default class PasswordAuthProof implements AuthProof<User> {
     public static getProofForSession(session: Session & Partial<SessionData>): PasswordAuthProof | null {
-        return session.auth_password_proof ? new PasswordAuthProof(session) : null;
+        return session.authPasswordProof ? new PasswordAuthProof(session) : null;
     }
 
     public static createAuthorizedProofForRegistration(session: Session): PasswordAuthProof {
@@ -29,9 +29,9 @@ export default class PasswordAuthProof implements AuthProof<User> {
 
     private constructor(session: Session & Partial<SessionData>) {
         this.session = session;
-        this.authorized = session.auth_password_proof?.authorized || false;
-        this.forRegistration = session.auth_password_proof?.forRegistration || false;
-        this.userId = session.auth_password_proof?.userId || null;
+        this.authorized = session.authPasswordProof?.authorized || false;
+        this.forRegistration = session.authPasswordProof?.forRegistration || false;
+        this.userId = session.authPasswordProof?.userId || null;
     }
 
     public async getResource(): Promise<User | null> {
@@ -54,7 +54,7 @@ export default class PasswordAuthProof implements AuthProof<User> {
     }
 
     public async revoke(): Promise<void> {
-        this.session.auth_password_proof = undefined;
+        this.session.authPasswordProof = undefined;
     }
 
     private async getUserPassword(): Promise<UserPasswordComponent | null> {
@@ -74,7 +74,7 @@ export default class PasswordAuthProof implements AuthProof<User> {
     }
 
     private save() {
-        this.session.auth_password_proof = {
+        this.session.authPasswordProof = {
             authorized: this.authorized,
             forRegistration: this.forRegistration,
             userId: this.userId,
diff --git a/src/types/Express.d.ts b/src/types/Express.d.ts
index 5b14407..2d61e3c 100644
--- a/src/types/Express.d.ts
+++ b/src/types/Express.d.ts
@@ -45,9 +45,9 @@ declare module 'express-session' {
 
         persistent?: boolean;
 
-        is_authenticated?: boolean;
+        isAuthenticated?: boolean;
 
-        auth_password_proof?: PasswordAuthProofSessionData;
+        authPasswordProof?: PasswordAuthProofSessionData;
 
         csrf?: string;
     }