diff --git a/app/data/auth-provider.ts b/app/data/auth-provider.ts
index af8db9a..17c0dcb 100644
--- a/app/data/auth-provider.ts
+++ b/app/data/auth-provider.ts
@@ -33,10 +33,8 @@ export type Identity = {
 }
 
 export class PortalAuthProvider implements RequiredAuthProvider {
-    private sdk: Sdk;
-
     constructor(apiUrl: string) {
-        this.sdk = Sdk.create(apiUrl);
+        this._sdk = Sdk.create(apiUrl);
 
         const methods: Array<keyof AuthProvider> = [
             'login',
@@ -55,8 +53,18 @@ export class PortalAuthProvider implements RequiredAuthProvider {
         });
     }
 
+    private _sdk: Sdk;
+
+    get sdk(): Sdk {
+        return this._sdk;
+    }
+
+    public static create(apiUrl: string): AuthProvider {
+        return new PortalAuthProvider(apiUrl);
+    }
+
     async login(params: AuthFormRequest): Promise<AuthActionResponse> {
-        const ret = await this.sdk.account().login({
+        const ret = await this._sdk.account().login({
             email: params.email,
             password: params.password,
         })
@@ -77,14 +85,14 @@ export class PortalAuthProvider implements RequiredAuthProvider {
     }
 
     async logout(params: any): Promise<AuthActionResponse> {
-        let ret = await this.sdk.account().logout();
+        let ret = await this._sdk.account().logout();
         return {success: ret, redirectTo: "/login"};
     }
 
     async check(params?: any): Promise<CheckResponse> {
         this.maybeSetupAuth();
 
-        const ret = await this.sdk.account().ping();
+        const ret = await this._sdk.account().ping();
 
         return {authenticated: ret, redirectTo: ret ? undefined : "/login"};
     }
@@ -95,7 +103,7 @@ export class PortalAuthProvider implements RequiredAuthProvider {
     }
 
     async register(params: RegisterFormRequest): Promise<AuthActionResponse> {
-        const ret = await this.sdk.account().register({
+        const ret = await this._sdk.account().register({
             email: params.email,
             password: params.password,
             first_name: params.firstName,
@@ -118,7 +126,7 @@ export class PortalAuthProvider implements RequiredAuthProvider {
 
     async getIdentity(params?: Identity): Promise<IdentityResponse> {
         this.maybeSetupAuth();
-        const ret = await this.sdk.account().info();
+        const ret = await this._sdk.account().info();
 
         if (!ret) {
             return {identity: null};
@@ -138,13 +146,9 @@ export class PortalAuthProvider implements RequiredAuthProvider {
         const cookies = new Cookies();
         const jwtCookie = cookies.get('auth_token');
         if (jwtCookie) {
-            this.sdk.setAuthToken(jwtCookie);
+            this._sdk.setAuthToken(jwtCookie);
         }
     }
-
-    public static create(apiUrl: string): AuthProvider {
-        return new PortalAuthProvider(apiUrl);
-    }
 }
 
 interface RequiredAuthProvider extends AuthProvider {