diff --git a/sysdeps/aix/ChangeLog b/sysdeps/aix/ChangeLog
index 2f0aa9de..8adbc08c 100644
--- a/sysdeps/aix/ChangeLog
+++ b/sysdeps/aix/ChangeLog
@@ -1,3 +1,7 @@
+2004-05-25  Benoît Dejean  <tazforever@dlfp.org>
+
+	* uptime.c: (glibtop_get_uptime_p): Added boot_time.
+
 2004-03-09  Bastien Nocera  <hadess@hadess.net>
 
 	* procargs.c: (glibtop_get_proc_args_s): fix g_malloc usage on non-Linux
diff --git a/sysdeps/aix/uptime.c b/sysdeps/aix/uptime.c
index 250a72d1..616d7283 100644
--- a/sysdeps/aix/uptime.c
+++ b/sysdeps/aix/uptime.c
@@ -29,6 +29,8 @@
 
 #include <glibtop_suid.h>
 
+#include <time.h>
+
 static const unsigned long _glibtop_sysdeps_uptime =
 (1L << GLIBTOP_UPTIME_UPTIME) + (1L << GLIBTOP_UPTIME_IDLETIME);
 
@@ -68,6 +70,7 @@ glibtop_get_uptime_p (glibtop *server, glibtop_uptime *buf)
 
 	buf->uptime = (double) cpu.total / (double) cpu.frequency;
 	buf->idletime = (double) cpu.idle / (double) cpu.frequency;
+	buf->boot_time = (guint64) time(NULL) - (guint64) buf->uptime;
 
 	buf->flags = _glibtop_sysdeps_uptime;
 }
diff --git a/sysdeps/sun4/ChangeLog b/sysdeps/sun4/ChangeLog
index 670cc6a0..05473cdb 100644
--- a/sysdeps/sun4/ChangeLog
+++ b/sysdeps/sun4/ChangeLog
@@ -1,3 +1,7 @@
+2004-05-25  Benoît Dejean  <tazforever@dlfp.org>
+
+	* uptime.c: (glibtop_get_uptime_p): Added boot_time.
+
 2004-03-09  Bastien Nocera  <hadess@hadess.net>
 
 	* open.c: (glibtop_open_p):
diff --git a/sysdeps/sun4/uptime.c b/sysdeps/sun4/uptime.c
index 023cf3f3..149ad54f 100644
--- a/sysdeps/sun4/uptime.c
+++ b/sysdeps/sun4/uptime.c
@@ -56,6 +56,7 @@ glibtop_get_uptime_p (glibtop *server, glibtop_uptime *buf)
 
 	buf->uptime = (double) cpu.total / (double) cpu.frequency;
 	buf->idletime = (double) cpu.idle / (double) cpu.frequency;
+	buf->boot_time = (guint64) time(NULL) - (guint64) buf->uptime;
 
 	buf->flags = _glibtop_sysdeps_uptime;
 }