diff --git a/libc/kernel/uapi/asm-generic/ipcbuf.h b/libc/kernel/uapi/asm-generic/ipcbuf.h
index 4dfb6f7..40c45ab 100644
--- a/libc/kernel/uapi/asm-generic/ipcbuf.h
+++ b/libc/kernel/uapi/asm-generic/ipcbuf.h
@@ -18,6 +18,7 @@
  ****************************************************************************/
 #ifndef __ASM_GENERIC_IPCBUF_H
 #define __ASM_GENERIC_IPCBUF_H
+#include <linux/posix_types.h>
 struct ipc64_perm {
   __kernel_key_t key;
   __kernel_uid32_t uid;
diff --git a/libc/kernel/uapi/asm-generic/msgbuf.h b/libc/kernel/uapi/asm-generic/msgbuf.h
index a8af16e..827d050 100644
--- a/libc/kernel/uapi/asm-generic/msgbuf.h
+++ b/libc/kernel/uapi/asm-generic/msgbuf.h
@@ -19,12 +19,13 @@
 #ifndef __ASM_GENERIC_MSGBUF_H
 #define __ASM_GENERIC_MSGBUF_H
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
 struct msqid64_ds {
   struct ipc64_perm msg_perm;
 #if __BITS_PER_LONG == 64
-  __kernel_time_t msg_stime;
-  __kernel_time_t msg_rtime;
-  __kernel_time_t msg_ctime;
+  long msg_stime;
+  long msg_rtime;
+  long msg_ctime;
 #else
   unsigned long msg_stime;
   unsigned long msg_stime_high;
diff --git a/libc/kernel/uapi/asm-generic/posix_types.h b/libc/kernel/uapi/asm-generic/posix_types.h
index 5aaa56d..4045127 100644
--- a/libc/kernel/uapi/asm-generic/posix_types.h
+++ b/libc/kernel/uapi/asm-generic/posix_types.h
@@ -74,6 +74,7 @@
 #endif
 typedef __kernel_long_t __kernel_off_t;
 typedef long long __kernel_loff_t;
+typedef __kernel_long_t __kernel_old_time_t;
 typedef __kernel_long_t __kernel_time_t;
 typedef long long __kernel_time64_t;
 typedef __kernel_long_t __kernel_clock_t;
diff --git a/libc/kernel/uapi/asm-generic/sembuf.h b/libc/kernel/uapi/asm-generic/sembuf.h
index c8c1d29..46306f7 100644
--- a/libc/kernel/uapi/asm-generic/sembuf.h
+++ b/libc/kernel/uapi/asm-generic/sembuf.h
@@ -19,11 +19,12 @@
 #ifndef __ASM_GENERIC_SEMBUF_H
 #define __ASM_GENERIC_SEMBUF_H
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
 struct semid64_ds {
   struct ipc64_perm sem_perm;
 #if __BITS_PER_LONG == 64
-  __kernel_time_t sem_otime;
-  __kernel_time_t sem_ctime;
+  long sem_otime;
+  long sem_ctime;
 #else
   unsigned long sem_otime;
   unsigned long sem_otime_high;
diff --git a/libc/kernel/uapi/asm-generic/shmbuf.h b/libc/kernel/uapi/asm-generic/shmbuf.h
index 1d003ba..067ffbc 100644
--- a/libc/kernel/uapi/asm-generic/shmbuf.h
+++ b/libc/kernel/uapi/asm-generic/shmbuf.h
@@ -23,9 +23,9 @@
   struct ipc64_perm shm_perm;
   size_t shm_segsz;
 #if __BITS_PER_LONG == 64
-  __kernel_time_t shm_atime;
-  __kernel_time_t shm_dtime;
-  __kernel_time_t shm_ctime;
+  long shm_atime;
+  long shm_dtime;
+  long shm_ctime;
 #else
   unsigned long shm_atime;
   unsigned long shm_atime_high;