diff --git a/host/host_freebsd_386.go b/host/host_freebsd_386.go
index 7f06d8f8..88453d2a 100644
--- a/host/host_freebsd_386.go
+++ b/host/host_freebsd_386.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs types_freebsd.go
 
 package host
@@ -9,7 +9,7 @@ const (
 	sizeofInt      = 0x4
 	sizeofLong     = 0x4
 	sizeofLongLong = 0x8
-	sizeOfUtmpx    = 197 // TODO why should 197
+	sizeOfUtmpx    = 0xc5
 )
 
 type (
@@ -27,17 +27,11 @@ type Utmp struct {
 }
 
 type Utmpx struct {
-	Type int16
-	Tv   Timeval
+	Type uint8
+	Tv   uint64
 	Id   [8]int8
-	Pid  int32
+	Pid  uint32
 	User [32]int8
 	Line [16]int8
-	Host [125]int8
-	//      X__ut_spare     [64]int8
-}
-
-type Timeval struct {
-	Sec  [4]byte
-	Usec [3]byte
+	Host [128]int8
 }
diff --git a/host/host_freebsd_arm.go b/host/host_freebsd_arm.go
index ac74980a..f7d6ede5 100644
--- a/host/host_freebsd_arm.go
+++ b/host/host_freebsd_arm.go
@@ -1,4 +1,4 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs types_freebsd.go
 
 package host
@@ -9,7 +9,7 @@ const (
 	sizeofInt      = 0x4
 	sizeofLong     = 0x8
 	sizeofLongLong = 0x8
-	sizeOfUtmpx    = 197 // TODO: why should 197, not 0x118
+	sizeOfUtmpx    = 0xc5
 )
 
 type (
@@ -27,18 +27,11 @@ type Utmp struct {
 }
 
 type Utmpx struct {
-	Type int16
-	Tv   Timeval
+	Type uint8
+	Tv   uint64
 	Id   [8]int8
-	Pid  int32
+	Pid  uint32
 	User [32]int8
 	Line [16]int8
-	Host [125]int8
-	//      Host [128]int8
-	//      X__ut_spare [64]int8
-}
-
-type Timeval struct {
-	Sec  [4]byte
-	Usec [3]byte
+	Host [128]int8
 }