diff --git a/src/core/unit.c b/src/core/unit.c
index 046e376b8a..2cddc924f3 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -3462,8 +3462,12 @@ static int get_name_owner_handler(sd_bus_message *message, void *userdata, sd_bu
 
         e = sd_bus_message_get_error(message);
         if (e) {
-                if (!sd_bus_error_has_name(e, "org.freedesktop.DBus.Error.NameHasNoOwner"))
-                        log_unit_error(u, "Unexpected error response from GetNameOwner(): %s", e->message);
+                if (!sd_bus_error_has_name(e, "org.freedesktop.DBus.Error.NameHasNoOwner")) {
+                        r = sd_bus_error_get_errno(e);
+                        log_unit_error_errno(u, r,
+                                             "Unexpected error response from GetNameOwner(): %s",
+                                             bus_error_message(e, r));
+                }
 
                 new_owner = NULL;
         } else {
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 6d250be321..6d61b55c2b 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -359,15 +359,19 @@ static void user_start_service(User *u) {
 
 static int update_slice_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
         _cleanup_(user_record_unrefp) UserRecord *ur = userdata;
+        const sd_bus_error *e;
+        int r;
 
         assert(m);
         assert(ur);
 
-        if (sd_bus_message_is_method_error(m, NULL)) {
-                log_warning_errno(sd_bus_message_get_errno(m),
+        e = sd_bus_message_get_error(m);
+        if (e) {
+                r = sd_bus_error_get_errno(e);
+                log_warning_errno(r,
                                   "Failed to update slice of %s, ignoring: %s",
                                   ur->user_name,
-                                  sd_bus_message_get_error(m)->message);
+                                  bus_error_message(e, r));
 
                 return 0;
         }
diff --git a/src/shared/bus-wait-for-units.c b/src/shared/bus-wait-for-units.c
index 29620e0d1b..c867f1cbfd 100644
--- a/src/shared/bus-wait-for-units.c
+++ b/src/shared/bus-wait-for-units.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
+#include "bus-error.h"
 #include "bus-map-properties.h"
 #include "bus-wait-for-units.h"
 #include "hashmap.h"
@@ -288,19 +289,22 @@ static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error
         return 0;
 }
 
-static int on_get_all_properties(sd_bus_message *m, void *userdata, sd_bus_error *error) {
+static int on_get_all_properties(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
         WaitForItem *item = userdata;
+        const sd_bus_error *e;
         int r;
 
         assert(item);
 
-        if (sd_bus_error_is_set(error)) {
+        e = sd_bus_message_get_error(m);
+        if (e) {
                 BusWaitForUnits *d = item->parent;
 
                 d->has_failed = true;
 
-                log_debug_errno(sd_bus_error_get_errno(error), "GetAll() failed for %s: %s",
-                                item->bus_path, error->message);
+                r = sd_bus_error_get_errno(e);
+                log_debug_errno(r, "GetAll() failed for %s: %s",
+                                item->bus_path, bus_error_message(e, r));
 
                 call_unit_callback_and_wait(d, item, false);
                 bus_wait_for_units_check_ready(d);