diff --git a/include/zfsacl.h b/include/zfsacl.h
index aeef4c6aeaba..dd5dd7dc6b0e 100644
--- a/include/zfsacl.h
+++ b/include/zfsacl.h
@@ -72,17 +72,17 @@ struct native_acl {
 	zfsacl_brand_t brand;
 };
 
-#ifdef __FREEBSD__
-#define	_ACL_PRIVATE
-#define	zfsacl_entry	acl_entry
-#define	zfsacl	acl_t_struct
-#else
+#ifdef __linux__
 struct zfsacl_entry { uint_t netlong[5]; };
 struct zfsacl {
 	size_t aclbuf_size;
 	zfsacl_brand_t brand;
 	uint_t *aclbuf;
 };
+#else
+#define	_ACL_PRIVATE
+#define	zfsacl_entry acl_entry
+#define	zfsacl acl_t_struct
 #endif
 
 typedef struct zfsacl_entry *zfsacl_entry_t;
diff --git a/lib/libzfsacl/zfsacl/libzfsacl_impl_linux.c b/lib/libzfsacl/zfsacl/libzfsacl_impl_linux.c
index 02a52be5aad1..daec628a9511 100644
--- a/lib/libzfsacl/zfsacl/libzfsacl_impl_linux.c
+++ b/lib/libzfsacl/zfsacl/libzfsacl_impl_linux.c
@@ -27,6 +27,7 @@
 #include <arpa/inet.h>
 #include <sys/xattr.h>
 #include <assert.h>
+#include <string.h>
 #include <zfsacl.h>