diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c
index 939e2289b29e..93580f98a5b1 100644
--- a/sys/pc98/i386/machdep.c
+++ b/sys/pc98/i386/machdep.c
@@ -575,6 +575,7 @@ sendsig(catcher, sig, mask, code)
 	sf.sf_siginfo.si_sc.sc_ss = regs->tf_ss;
 	sf.sf_siginfo.si_sc.sc_es = regs->tf_es;
 	sf.sf_siginfo.si_sc.sc_fs = regs->tf_fs;
+	sf.sf_siginfo.si_sc.sc_gs = rgs();
 	sf.sf_siginfo.si_sc.sc_isp = regs->tf_isp;
 
 	/*
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c
index 939e2289b29e..93580f98a5b1 100644
--- a/sys/pc98/pc98/machdep.c
+++ b/sys/pc98/pc98/machdep.c
@@ -575,6 +575,7 @@ sendsig(catcher, sig, mask, code)
 	sf.sf_siginfo.si_sc.sc_ss = regs->tf_ss;
 	sf.sf_siginfo.si_sc.sc_es = regs->tf_es;
 	sf.sf_siginfo.si_sc.sc_fs = regs->tf_fs;
+	sf.sf_siginfo.si_sc.sc_gs = rgs();
 	sf.sf_siginfo.si_sc.sc_isp = regs->tf_isp;
 
 	/*