diff --git a/extra/hardware-info/linux/linux.factor b/extra/hardware-info/linux/linux.factor
index 89f42b4384..ba0cb0c170 100644
--- a/extra/hardware-info/linux/linux.factor
+++ b/extra/hardware-info/linux/linux.factor
@@ -1,4 +1,4 @@
-USING: alien alien.c-types kernel math sequences strings
+USING: unix alien alien.c-types kernel math sequences strings
 io.unix.backend splitting ;
 IN: hardware-info.linux