diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index f5983c83da..3d0bba21a2 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -1169,7 +1169,7 @@ static void qdev_prop_set_globals_for_type(DeviceState *dev,
                 error_propagate(prop->errp, err);
             } else {
                 assert(prop->user_provided);
-                error_reportf_err(err, "Warning: ");
+                warn_report_err(err);
             }
         }
     }
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 465e91cc5b..bf541cafd6 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1320,8 +1320,7 @@ void pc_acpi_init(const char *default_dsdt)
 
         acpi_table_add_builtin(opts, &err);
         if (err) {
-            error_reportf_err(err, "WARNING: failed to load %s: ",
-                              filename);
+            warn_reportf_err(err, "failed to load %s: ", filename);
         }
         g_free(filename);
     }