diff --git a/service/priority_manager.cc b/service/priority_manager.cc
index 5a71c9e2d6..e18edc48f4 100644
--- a/service/priority_manager.cc
+++ b/service/priority_manager.cc
@@ -27,11 +27,11 @@ priority_manager& get_local_priority_manager() {
 }
 
 priority_manager::priority_manager()
-    : _commitlog_priority(engine().register_one_priority_class("commitlog", 1000))
-    , _mt_flush_priority(engine().register_one_priority_class("memtable_flush", 1000))
-    , _streaming_priority(engine().register_one_priority_class("streaming", 200))
-    , _sstable_query_read(engine().register_one_priority_class("query", 1000))
-    , _compaction_priority(engine().register_one_priority_class("compaction", 1000))
+    : _commitlog_priority(::io_priority_class::register_one("commitlog", 1000))
+    , _mt_flush_priority(::io_priority_class::register_one("memtable_flush", 1000))
+    , _streaming_priority(::io_priority_class::register_one("streaming", 200))
+    , _sstable_query_read(::io_priority_class::register_one("query", 1000))
+    , _compaction_priority(::io_priority_class::register_one("compaction", 1000))
 {}
 
 }