diff --git a/sys/amd64/linux/linux_sysvec.c b/sys/amd64/linux/linux_sysvec.c
--- a/sys/amd64/linux/linux_sysvec.c
+++ b/sys/amd64/linux/linux_sysvec.c
@@ -630,9 +630,6 @@
 	LINUX_CTR4(rt_sendsig, "%p, %d, %p, %u",
 	    catcher, sig, mask, code);
 
-	/* Translate the signal. */
-	sig = bsd_to_linux_signal(sig);
-
 	/* Save user context. */
 	bzero(&sf, sizeof(sf));
 	bsd_to_linux_sigset(mask, &sf.sf_sc.uc_sigmask);
@@ -676,6 +673,9 @@
 	/* Align to 16 bytes. */
 	sfp = (struct l_rt_sigframe *)((unsigned long)sp & ~0xFul);
 
+	/* Translate the signal. */
+	sig = bsd_to_linux_signal(sig);
+
 	/* Build the argument list for the signal handler. */
 	regs->tf_rdi = sig;			/* arg 1 in %rdi */
 	regs->tf_rax = 0;