diff --git a/host/hackrf-tools/src/hackrf_transfer.c b/host/hackrf-tools/src/hackrf_transfer.c
index 3b60e4f8..938dfee4 100644
--- a/host/hackrf-tools/src/hackrf_transfer.c
+++ b/host/hackrf-tools/src/hackrf_transfer.c
@@ -20,6 +20,7 @@
  * Boston, MA 02110-1301, USA.
  */
 
+#define _FILE_OFFSET_BITS 64
 
 #include <hackrf.h>
 
@@ -34,8 +35,6 @@
 #include <fcntl.h>
 #include <errno.h>
 
-#define _FILE_OFFSET_BITS 64
-
 #ifndef bool
 typedef int bool;
 #define true 1