diff --git a/.patches/ncpfs-2.2.6-r6/ncpfs.offsetof.patch b/.patches/ncpfs-2.2.6-r6/ncpfs.offsetof.patch
new file mode 100644
index 0000000..7a83f64
--- /dev/null
+++ b/.patches/ncpfs-2.2.6-r6/ncpfs.offsetof.patch
@@ -0,0 +1,17 @@
+linux/stddef.h was included by accident. use private offsetof macro
+
+---
+ sutil/ncpm_common.h |    1 +
+ 1 file changed, 1 insertion(+)
+
+Index: ncpfs-2.2.6/sutil/ncpm_common.h
+===================================================================
+--- ncpfs-2.2.6.orig/sutil/ncpm_common.h
++++ ncpfs-2.2.6/sutil/ncpm_common.h
+@@ -122,5 +122,6 @@ int proc_aftermount(const struct ncp_mou
+ int proc_ncpm_umount(const char* dir);
+ 
+ #define UNUSED(x)	x __attribute__((unused))
++#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+ 
+ #endif	/* __NCPM_COMMON_H__ */
diff --git a/sutil/ncpm_common.h b/sutil/ncpm_common.h
index f2895d0..e476284 100644
--- a/sutil/ncpm_common.h
+++ b/sutil/ncpm_common.h
@@ -122,5 +122,6 @@ int proc_aftermount(const struct ncp_mount_info* info, NWCONN_HANDLE* conn);
 int proc_ncpm_umount(const char* dir);
 
 #define UNUSED(x)	x __attribute__((unused))
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 
 #endif	/* __NCPM_COMMON_H__ */