diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 37bbdeff..87ec66cf 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -19,6 +19,10 @@
 #define _XOPEN_SOURCE 500
 #endif
 
+#ifndef _FILE_OFFSET_BITS
+#define _FILE_OFFSET_BITS 64
+#endif
+
 #ifdef __OpenBSD__
 #include <sys/param.h>
 #endif