--- lib/fuse_lowlevel.c
+++ lib/fuse_lowlevel.c
@@ -24,6 +24,7 @@
 #include <limits.h>
 #include <errno.h>
 #include <assert.h>
+#include <sys/file.h>
 
 #ifndef F_LINUX_SPECIFIC_BASE
 #define F_LINUX_SPECIFIC_BASE       1024
--- lib/fuse.c
+++ lib/fuse.c
@@ -37,6 +37,7 @@
 #include <sys/uio.h>
 #include <sys/time.h>
 #include <sys/mman.h>
+#include <sys/file.h>
 
 #define FUSE_NODE_SLAB 1
 
