diff --git a/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c b/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
index be2b27db462..99bf7183210 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
@@ -295,7 +295,7 @@ fasttrap_sigtrap(proc_t *p, kthread_t *t, uintptr_t pc)
 	ksi->ksi_code = TRAP_DTRACE;
 	ksi->ksi_addr = (caddr_t)pc;
 	PROC_LOCK(p);
-	(void) tdksignal(t, SIGTRAP, ksi);
+	(void) tdsendsignal(p, t, SIGTRAP, ksi);
 	PROC_UNLOCK(p);
 #endif
 }