diff --git a/package-lock.json b/package-lock.json
index a6a1a82..f6a5122 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12291,9 +12291,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "sartography-workflow-lib": {
-      "version": "0.0.177",
-      "resolved": "https://registry.npmjs.org/sartography-workflow-lib/-/sartography-workflow-lib-0.0.177.tgz",
-      "integrity": "sha512-lR+3MljVyWj6hPJ/a3bxKhBaZ0CoK5WxNVq6Xb3Qo6CiCbuzG/CJiE3jcS1fsgPDNyLHzCKlwpNH6z95pfPI2w=="
+      "version": "0.0.180",
+      "resolved": "https://registry.npmjs.org/sartography-workflow-lib/-/sartography-workflow-lib-0.0.180.tgz",
+      "integrity": "sha512-d/ePxdkeIX/ZW3Sp5NIkZsitxRxS560PWorOd9RaojyJtMks2EgCwuN0Gs18NkT0Qrvk7fJHKYYV89k0/H0djQ=="
     },
     "sass": {
       "version": "1.23.3",
diff --git a/package.json b/package.json
index d8f316e..5ac3f7f 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "ngx-file-drop": "^8.0.8",
     "ngx-markdown": "^9.0.0",
     "rxjs": "~6.5.4",
-    "sartography-workflow-lib": "^0.0.177",
+    "sartography-workflow-lib": "^0.0.180",
     "tslib": "^1.11.1",
     "uuid": "^7.0.2",
     "zone.js": "^0.10.3"
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 5c9b4e3..afa3b86 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -23,6 +23,7 @@ import {FormlyModule} from '@ngx-formly/core';
 import {
   AppEnvironment,
   AuthInterceptor,
+  ErrorInterceptor,
   SartographyFormsModule,
   SartographyPipesModule,
   SartographyWorkflowLibModule
@@ -46,12 +47,12 @@ import {FooterComponent} from './footer/footer.component';
 import {HomeComponent} from './home/home.component';
 import {ModelerComponent} from './modeler/modeler.component';
 import {NavbarComponent} from './navbar/navbar.component';
+import {ProtocolBuilderComponent} from './protocol-builder/protocol-builder.component';
+import {ReferenceFilesComponent} from './reference-files/reference-files.component';
 import {SignInComponent} from './sign-in/sign-in.component';
 import {SignOutComponent} from './sign-out/sign-out.component';
 import {WorkflowSpecCardComponent} from './workflow-spec-card/workflow-spec-card.component';
 import {WorkflowSpecListComponent} from './workflow-spec-list/workflow-spec-list.component';
-import { ProtocolBuilderComponent } from './protocol-builder/protocol-builder.component';
-import { ReferenceFilesComponent } from './reference-files/reference-files.component';
 
 @Injectable()
 export class ThisEnvironment implements AppEnvironment {
@@ -131,6 +132,7 @@ export class ThisEnvironment implements AppEnvironment {
     {provide: 'APP_ENVIRONMENT', useClass: ThisEnvironment},
     {provide: APP_BASE_HREF, useValue: environment.baseHref},
     {provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true},
+    {provide: HTTP_INTERCEPTORS, useClass: ErrorInterceptor, multi: true},
   ]
 })
 export class AppModule {
diff --git a/src/app/navbar/navbar.component.ts b/src/app/navbar/navbar.component.ts
index 80a818f..17db5ce 100644
--- a/src/app/navbar/navbar.component.ts
+++ b/src/app/navbar/navbar.component.ts
@@ -39,14 +39,6 @@ export class NavbarComponent {
         this._loadNavLinks();
       }, error => {
         localStorage.removeItem('token');
-
-        if (this.environment.production) {
-          localStorage.setItem('prev_url', location.href);
-          const emptyUserParams: UserParams = { uid: null };
-          this.api.redirectToLogin(location.origin + '/session', emptyUserParams);
-        } else {
-          this.api.openUrl('/');
-        }
       });
     }
   }
diff --git a/src/app/sign-in/sign-in.component.ts b/src/app/sign-in/sign-in.component.ts
index f8fcace..1a59087 100644
--- a/src/app/sign-in/sign-in.component.ts
+++ b/src/app/sign-in/sign-in.component.ts
@@ -71,8 +71,9 @@ export class SignInComponent implements OnInit {
 
     // For testing purposes, create a user to simulate login.
     if (!this.environment.production) {
-      localStorage.setItem('prev_url', location.href);
-      this.api.redirectToLogin(location.origin + '/session', this.model);
+      localStorage.setItem('prev_url', location.origin);
+      this.model.redirect_url = location.origin + '/session';
+      this.api.redirectToLogin(this.model.redirect_url, this.model);
     } else {
       this.error = new Error('This feature does not work in production.');
     }