diff --git a/basis/unix/statfs/freebsd/freebsd.factor b/basis/unix/statfs/freebsd/freebsd.factor
index efd12b7d6c..70e2d5e561 100644
--- a/basis/unix/statfs/freebsd/freebsd.factor
+++ b/basis/unix/statfs/freebsd/freebsd.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax unix.types ;
+USING: alien.syntax unix.types unix.stat ;
 IN: unix.statfs.freebsd
 
 CONSTANT: MFSNAMELEN      16            ! length of type name including null */
diff --git a/basis/unix/statfs/linux/linux.factor b/basis/unix/statfs/linux/linux.factor
index 20688680fb..c0db5ced1d 100644
--- a/basis/unix/statfs/linux/linux.factor
+++ b/basis/unix/statfs/linux/linux.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax unix.types ;
+USING: alien.syntax unix.types unix.stat ;
 IN: unix.statfs.linux
 
 C-STRUCT: statfs64
diff --git a/basis/unix/statfs/openbsd/openbsd.factor b/basis/unix/statfs/openbsd/openbsd.factor
index 456883514a..60590be4ea 100644
--- a/basis/unix/statfs/openbsd/openbsd.factor
+++ b/basis/unix/statfs/openbsd/openbsd.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: alien.syntax unix.types ;
+USING: alien.syntax unix.types unix.stat ;
 IN: unix.statfs.openbsd
 
 CONSTANT: MFSNAMELEN 16