diff --git a/migration/migration.c b/migration/migration.c
index 8f27174ff6..6e079efdcc 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1202,16 +1202,19 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp)
     }
 
     if (params->has_max_bandwidth && (params->max_bandwidth > SIZE_MAX)) {
-        error_setg(errp, "Parameter 'max_bandwidth' expects an integer in the"
-                         " range of 0 to %zu bytes/second", SIZE_MAX);
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
+                   "max_bandwidth",
+                   "an integer in the range of 0 to "stringify(SIZE_MAX)
+                   " bytes/second");
         return false;
     }
 
     if (params->has_downtime_limit &&
         (params->downtime_limit > MAX_MIGRATE_DOWNTIME)) {
-        error_setg(errp, "Parameter 'downtime_limit' expects an integer in "
-                         "the range of 0 to %d milliseconds",
-                         MAX_MIGRATE_DOWNTIME);
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
+                   "downtime_limit",
+                   "an integer in the range of 0 to "
+                    stringify(MAX_MIGRATE_DOWNTIME)" milliseconds");
         return false;
     }
 
@@ -2107,9 +2110,10 @@ void qmp_migrate_set_speed(int64_t value, Error **errp)
 void qmp_migrate_set_downtime(double value, Error **errp)
 {
     if (value < 0 || value > MAX_MIGRATE_DOWNTIME_SECONDS) {
-        error_setg(errp, "Parameter 'downtime_limit' expects an integer in "
-                         "the range of 0 to %d seconds",
-                         MAX_MIGRATE_DOWNTIME_SECONDS);
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
+                   "downtime_limit",
+                   "an integer in the range of 0 to "
+                    stringify(MAX_MIGRATE_DOWNTIME_SECONDS)" seconds");
         return;
     }