diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/oauth/WebClientDetailsService.java b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/oauth/WebClientDetailsService.java
index 6af9d490..ea1585f2 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/oauth/WebClientDetailsService.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/weblayer/oauth/WebClientDetailsService.java
@@ -66,7 +66,7 @@ public class WebClientDetailsService implements ClientDetailsService {
 
         return getForExamClientAPI(clientId)
                 .get(t -> {
-                    log.error("Active ClientConfig not found: ", t);
+                    log.error("Active ClientConfig not found: {} cause: {}", clientId, t.getMessage());
                     throw new AccessDeniedException(t.getMessage());
                 });
     }