diff --git a/sys/i386/i386/machdep.c b/sys/i386/i386/machdep.c
index c43031644f8..ad1f0fe8f18 100644
--- a/sys/i386/i386/machdep.c
+++ b/sys/i386/i386/machdep.c
@@ -757,6 +757,8 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t *mask)
 
 	regs->tf_esp = (int)sfp;
 	regs->tf_eip = p->p_sysent->sv_sigcode_base;
+	if (regs->tf_eip == 0)
+		regs->tf_eip = p->p_sysent->sv_psstrings - szsigcode;
 	regs->tf_eflags &= ~(PSL_T | PSL_D);
 	regs->tf_cs = _ucodesel;
 	regs->tf_ds = _udatasel;