diff --git a/fio.h b/fio.h
index cb80a11..b1360dd 100644
--- a/fio.h
+++ b/fio.h
@@ -919,6 +919,7 @@
 	TD_INITIALIZED,
 	TD_RAMP,
 	TD_RUNNING,
+	TD_PRE_READING,
 	TD_VERIFYING,
 	TD_FSYNCING,
 	TD_EXITED,