diff --git a/qom/object.c b/qom/object.c
index 6fa9c619fa..d51b57fba1 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1106,9 +1106,8 @@ object_property_add(Object *obj, const char *name, const char *type,
     }
 
     if (object_property_find(obj, name, NULL) != NULL) {
-        error_setg(errp, "attempt to add duplicate property '%s'"
-                   " to object (type '%s')", name,
-                   object_get_typename(obj));
+        error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')",
+                   name, object_get_typename(obj));
         return NULL;
     }
 
@@ -1139,9 +1138,8 @@ object_class_property_add(ObjectClass *klass,
     ObjectProperty *prop;
 
     if (object_class_property_find(klass, name, NULL) != NULL) {
-        error_setg(errp, "attempt to add duplicate property '%s'"
-                   " to object (type '%s')", name,
-                   object_class_get_name(klass));
+        error_setg(errp, "attempt to add duplicate property '%s' to class (type '%s')",
+                   name, object_class_get_name(klass));
         return NULL;
     }