diff --git a/basis/io/unix/files/freebsd/freebsd.factor b/basis/io/unix/files/freebsd/freebsd.factor
index e6fff4dfe0..26cfe48bb1 100644
--- a/basis/io/unix/files/freebsd/freebsd.factor
+++ b/basis/io/unix/files/freebsd/freebsd.factor
@@ -13,5 +13,5 @@ M: freebsd stat>file-info ( stat -- file-info )
     {
         [ stat-st_flags >>flags ]
         [ stat-st_gen >>gen ]
-        [ stat-st_birthtimespec timespec>timestamp >>birth-time ]
+        [ stat-st_birthtimespec timespec>unix-time >>birth-time ]
     } cleave ;
diff --git a/basis/io/unix/files/netbsd/netbsd.factor b/basis/io/unix/files/netbsd/netbsd.factor
index 6a41e6e18a..c5f52cc100 100644
--- a/basis/io/unix/files/netbsd/netbsd.factor
+++ b/basis/io/unix/files/netbsd/netbsd.factor
@@ -13,5 +13,5 @@ M: netbsd stat>file-info ( stat -- file-info )
     {
         [ stat-st_flags >>flags ]
         [ stat-st_gen >>gen ]
-        [ stat-st_birthtim timespec>timestamp >>birth-time ]
+        [ stat-st_birthtim timespec>unix-time >>birth-time ]
     } cleave ;
diff --git a/basis/io/unix/files/openbsd/openbsd.factor b/basis/io/unix/files/openbsd/openbsd.factor
index 5723827481..58833e7c97 100644
--- a/basis/io/unix/files/openbsd/openbsd.factor
+++ b/basis/io/unix/files/openbsd/openbsd.factor
@@ -13,5 +13,5 @@ M: openbsd stat>file-info ( stat -- file-info )
     {
         [ stat-st_flags >>flags ]
         [ stat-st_gen >>gen ]
-        [ stat-st_birthtim timespec>timestamp >>birth-time ]
+        [ stat-st_birthtim timespec>unix-time >>birth-time ]
     } cleave ;