diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index 3c9e41888..b57e69169 100644
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -1181,6 +1181,7 @@ namespace aux {
 			|| m_settings.file_pool_size != s.file_pool_size
 			|| m_settings.volatile_read_cache != s.volatile_read_cache
 			|| m_settings.no_atime_storage!= s.no_atime_storage
+			|| m_settings.ignore_resume_timestamps != s.ignore_resume_timestamps
 			|| m_settings.low_prio_disk != s.low_prio_disk)
 			update_disk_io_thread = true;