diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/push/UpdateErrorHandler.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/push/UpdateErrorHandler.java
index 368a4d686..8ceb39e66 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/push/UpdateErrorHandler.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/push/UpdateErrorHandler.java
@@ -54,7 +54,7 @@ private boolean checkUserSession() {
                         this.pageService.getI18nSupport());
                 logoutSuccess.open(null);
             } catch (final Exception ee) {
-                log.warn("Unable to auto-logout: ", ee.getMessage());
+                log.warn("Unable to auto-logout: {}", ee.getMessage());
             }
             return false;
         }
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/OAuth2AuthorizationContextHolder.java b/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/OAuth2AuthorizationContextHolder.java
index f7486f6e3..945ac620e 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/OAuth2AuthorizationContextHolder.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/service/remote/webservice/auth/OAuth2AuthorizationContextHolder.java
@@ -192,13 +192,16 @@ public boolean isValid() {
         public boolean isLoggedIn() {
             final OAuth2AccessToken accessToken = this.restTemplate.getOAuth2ClientContext().getAccessToken();
             if (accessToken == null || StringUtils.isEmpty(accessToken.toString())) {
+                log.warn("No Access Token for user: {}", this.restTemplate.getOAuth2ClientContext().getAccessTokenRequest().getHeaders());
                 return false;
             }
 
             try {
                 final ResponseEntity<String> forEntity =
                         this.restTemplate.getForEntity(this.currentUserURI, String.class);
+                
                 if (forEntity.getStatusCode() != HttpStatus.OK) {
+                    log.warn("Failed to verify user login on webservice: {}", forEntity.getBody());
                     return false;
                 }
             } catch (final Exception e) {