diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
index d1163ce59312..110fa889dab1 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_sendrecv.c
@@ -34,6 +34,7 @@
 #include <unistd.h>
 #include <stddef.h>
 #include <fcntl.h>
+#include <sys/param.h>
 #include <sys/mount.h>
 #include <sys/mntent.h>
 #include <sys/mnttab.h>