diff --git a/src/app/authentication.interceptor.ts b/src/app/authentication.interceptor.ts
new file mode 100644
index 0000000000000000000000000000000000000000..5924d379ac43c78ecf5fac49bbe5870ad1b680cd
--- /dev/null
+++ b/src/app/authentication.interceptor.ts
@@ -0,0 +1,26 @@
+import { Injectable } from '@angular/core';
+import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
+import { Observable } from 'rxjs/Observable';
+import { AuthenticationService } from './authentication.service';
+
+@Injectable()
+export class AuthenticationInterceptor implements HttpInterceptor {
+
+  constructor(private authenticationService: AuthenticationService) {
+  }
+
+  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    const token = this.authenticationService.getUser().token;
+
+    if (token) {
+      const cloned = req.clone({
+        headers: req.headers.set('Arsnova-Auth-Token', token)
+      });
+
+      return next.handle(cloned);
+    } else {
+      return next.handle(req);
+    }
+  }
+
+}