diff --git a/fio_engine.cpp b/fio_engine.cpp
index 572977a10..05852185a 100644
--- a/fio_engine.cpp
+++ b/fio_engine.cpp
@@ -23,6 +23,7 @@
 
 #include "blockstore.h"
 extern "C" {
+#define CONFIG_HAVE_GETTID
 #define CONFIG_PWRITEV2
 #include "fio/fio.h"
 #include "fio/optgroup.h"
diff --git a/fio_sec_osd.cpp b/fio_sec_osd.cpp
index 8038e824f..36db55ef8 100644
--- a/fio_sec_osd.cpp
+++ b/fio_sec_osd.cpp
@@ -28,6 +28,7 @@
 #include "rw_blocking.h"
 #include "osd_ops.h"
 extern "C" {
+#define CONFIG_HAVE_GETTID
 #define CONFIG_PWRITEV2
 #include "fio/fio.h"
 #include "fio/optgroup.h"