diff --git a/bin/hsadmin-ng b/bin/hsadmin-ng
index 1857d89c..3dca47d8 100755
--- a/bin/hsadmin-ng
+++ b/bin/hsadmin-ng
@@ -17,7 +17,7 @@ if [ "$1" == "--trace" ]; then
   }
   function doCurl() {
     set -x
-    curl "$@"
+    curl --fail-with-body --header "Authorization: $HSADMINNG_CAS_TICKET" "$@"
     set +x
   }
   shift
@@ -26,7 +26,7 @@ else
     :
   }
   function doCurl() {
-    curl "$@"
+    curl --fail-with-body --header "Authorization: $HSADMINNG_CAS_TICKET" "$@"
   }
 fi
 
@@ -113,26 +113,22 @@ case "$1" in
   "get") # HTTP GET, add URL as parameter
     shift
     HSADMINNG_CAS_TICKET=`casTicket`
-    #trace "curl -f -s --header \"Authorization: $HSADMINNG_CAS_TICKET\" " "$@"
-    doCurl -f -H "Authorization: $HSADMINNG_CAS_TICKET" "$*"
+    doCurl "$*"
     ;;
   "post") # HTTP POST, add curl options to specify the request body and the URL as last parameter
     shift
     HSADMINNG_CAS_TICKET=`casTicket`
-    trace "curl -f --header \"Authorization: $HSADMINNG_CAS_TICKET\" --header \"Content-Type: application/json\" -X POST " "$@"
-    curl -f -H "Authorization: $HSADMINNG_CAS_TICKET" --header "Content-Type: application/json" -X POST "$@"
+    doCurl --header "Content-Type: application/json" -X POST "$@"
     ;;
   "patch") # HTTP PATCH, add curl options to specify the request body and the URL as last parameter
     shift
     HSADMINNG_CAS_TICKET=`casTicket`
-    trace "curl -f --header \"Authorization: $HSADMINNG_CAS_TICKET\" --header \"Content-Type: application/json\" -X PATCH " "$@"
-    curl -f -H "Authorization: $HSADMINNG_CAS_TICKET" --header "Content-Type: application/json" -X POST "$*"
+    doCurl --header "Content-Type: application/json" -X POST "$*"
     ;;
   "delete") # HTTP DELETE, add curl options to specify the request body and the URL as last parameter
     shift
     HSADMINNG_CAS_TICKET=`casTicket`
-    trace "curl -f --header \"Authorization: $HSADMINNG_CAS_TICKET\" -X DELETE " "$@"
-    curl -f -H "Authorization: $HSADMINNG_CAS_TICKET" -X POST "$@"
+    curl -X POST "$@"
     ;;
   *)
     cat >&2 <<EOF
diff --git a/src/main/java/net/hostsharing/hsadminng/config/CasAuthenticator.java b/src/main/java/net/hostsharing/hsadminng/config/CasAuthenticator.java
index 4a4dd663..9fe55f5e 100644
--- a/src/main/java/net/hostsharing/hsadminng/config/CasAuthenticator.java
+++ b/src/main/java/net/hostsharing/hsadminng/config/CasAuthenticator.java
@@ -64,6 +64,6 @@ public class CasAuthenticator implements Authenticator {
         }
         final var userName = doc.getElementsByTagName("cas:user").item(0).getTextContent();
         System.err.println("CAS-user: " + userName);
-        return "superuser-alex@hostsharing.net"; // userName;
+        return userName;
     }
 }