diff --git a/basis/unix/stat/netbsd/netbsd.factor b/basis/unix/stat/netbsd/netbsd.factor
index aefa9fd2cf..0bcb886417 100644
--- a/basis/unix/stat/netbsd/netbsd.factor
+++ b/basis/unix/stat/netbsd/netbsd.factor
@@ -35,3 +35,4 @@ C-STRUCT: statvfs
     { { "char" _VFS_NAMELEN } "f_mntonname" }
     { { "char" _VFS_NAMELEN } "f_mntfromname" } ;
 
+FUNCTION: int statvfs ( char* path, statvfs* buf ) ;