diff --git a/sys/compat/freebsd32/freebsd32_proto.h b/sys/compat/freebsd32/freebsd32_proto.h
index fb02f3b96f3..1ec58c1c2c0 100644
--- a/sys/compat/freebsd32/freebsd32_proto.h
+++ b/sys/compat/freebsd32/freebsd32_proto.h
@@ -382,6 +382,11 @@ struct freebsd32_thr_new_args {
 	char param_l_[PADL_(struct thr_param32 *)]; struct thr_param32 * param; char param_r_[PADR_(struct thr_param32 *)];
 	char param_size_l_[PADL_(int)]; int param_size; char param_size_r_[PADR_(int)];
 };
+struct freebsd32_sigqueue_args {
+	char pid_l_[PADL_(pid_t)]; pid_t pid; char pid_r_[PADR_(pid_t)];
+	char signum_l_[PADL_(int)]; int signum; char signum_r_[PADR_(int)];
+	char value_l_[PADL_(int)]; int value; char value_r_[PADR_(int)];
+};
 struct freebsd32_kmq_open_args {
 	char path_l_[PADL_(const char *)]; const char * path; char path_r_[PADR_(const char *)];
 	char flags_l_[PADL_(int)]; int flags; char flags_r_[PADR_(int)];
@@ -764,6 +769,7 @@ int	freebsd32_ksem_timedwait(struct thread *, struct freebsd32_ksem_timedwait_ar
 int	freebsd32_thr_suspend(struct thread *, struct freebsd32_thr_suspend_args *);
 int	freebsd32_umtx_op(struct thread *, struct freebsd32_umtx_op_args *);
 int	freebsd32_thr_new(struct thread *, struct freebsd32_thr_new_args *);
+int	freebsd32_sigqueue(struct thread *, struct freebsd32_sigqueue_args *);
 int	freebsd32_kmq_open(struct thread *, struct freebsd32_kmq_open_args *);
 int	freebsd32_kmq_setattr(struct thread *, struct freebsd32_kmq_setattr_args *);
 int	freebsd32_kmq_timedreceive(struct thread *, struct freebsd32_kmq_timedreceive_args *);
@@ -1230,6 +1236,7 @@ int	freebsd10_freebsd32_pipe(struct thread *, struct freebsd10_freebsd32_pipe_ar
 #define	FREEBSD32_SYS_AUE_freebsd32_thr_suspend	AUE_NULL
 #define	FREEBSD32_SYS_AUE_freebsd32_umtx_op	AUE_NULL
 #define	FREEBSD32_SYS_AUE_freebsd32_thr_new	AUE_THR_NEW
+#define	FREEBSD32_SYS_AUE_freebsd32_sigqueue	AUE_NULL
 #define	FREEBSD32_SYS_AUE_freebsd32_kmq_open	AUE_MQ_OPEN
 #define	FREEBSD32_SYS_AUE_freebsd32_kmq_setattr	AUE_MQ_SETATTR
 #define	FREEBSD32_SYS_AUE_freebsd32_kmq_timedreceive	AUE_MQ_TIMEDRECEIVE
diff --git a/sys/compat/freebsd32/freebsd32_syscall.h b/sys/compat/freebsd32/freebsd32_syscall.h
index 739636991f6..e9ce1e3b164 100644
--- a/sys/compat/freebsd32/freebsd32_syscall.h
+++ b/sys/compat/freebsd32/freebsd32_syscall.h
@@ -358,7 +358,7 @@
 #define	FREEBSD32_SYS_auditctl	453
 #define	FREEBSD32_SYS_freebsd32_umtx_op	454
 #define	FREEBSD32_SYS_freebsd32_thr_new	455
-#define	FREEBSD32_SYS_sigqueue	456
+#define	FREEBSD32_SYS_freebsd32_sigqueue	456
 #define	FREEBSD32_SYS_freebsd32_kmq_open	457
 #define	FREEBSD32_SYS_freebsd32_kmq_setattr	458
 #define	FREEBSD32_SYS_freebsd32_kmq_timedreceive	459
diff --git a/sys/compat/freebsd32/freebsd32_syscalls.c b/sys/compat/freebsd32/freebsd32_syscalls.c
index 2088f3b9738..03debbb8f4c 100644
--- a/sys/compat/freebsd32/freebsd32_syscalls.c
+++ b/sys/compat/freebsd32/freebsd32_syscalls.c
@@ -465,7 +465,7 @@ const char *freebsd32_syscallnames[] = {
 	"auditctl",			/* 453 = auditctl */
 	"freebsd32_umtx_op",			/* 454 = freebsd32_umtx_op */
 	"freebsd32_thr_new",			/* 455 = freebsd32_thr_new */
-	"sigqueue",			/* 456 = sigqueue */
+	"freebsd32_sigqueue",			/* 456 = freebsd32_sigqueue */
 	"freebsd32_kmq_open",			/* 457 = freebsd32_kmq_open */
 	"freebsd32_kmq_setattr",			/* 458 = freebsd32_kmq_setattr */
 	"freebsd32_kmq_timedreceive",			/* 459 = freebsd32_kmq_timedreceive */
diff --git a/sys/compat/freebsd32/freebsd32_sysent.c b/sys/compat/freebsd32/freebsd32_sysent.c
index ca6fc583270..f35ee301144 100644
--- a/sys/compat/freebsd32/freebsd32_sysent.c
+++ b/sys/compat/freebsd32/freebsd32_sysent.c
@@ -508,7 +508,7 @@ struct sysent freebsd32_sysent[] = {
 	{ AS(auditctl_args), (sy_call_t *)sys_auditctl, AUE_AUDITCTL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 453 = auditctl */
 	{ AS(freebsd32_umtx_op_args), (sy_call_t *)freebsd32_umtx_op, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 454 = freebsd32_umtx_op */
 	{ AS(freebsd32_thr_new_args), (sy_call_t *)freebsd32_thr_new, AUE_THR_NEW, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 455 = freebsd32_thr_new */
-	{ AS(sigqueue_args), (sy_call_t *)sys_sigqueue, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_STATIC },	/* 456 = sigqueue */
+	{ AS(freebsd32_sigqueue_args), (sy_call_t *)freebsd32_sigqueue, AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC },	/* 456 = freebsd32_sigqueue */
 	{ AS(freebsd32_kmq_open_args), (sy_call_t *)lkmressys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },	/* 457 = freebsd32_kmq_open */
 	{ AS(freebsd32_kmq_setattr_args), (sy_call_t *)lkmressys, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_ABSENT },	/* 458 = freebsd32_kmq_setattr */
 	{ AS(freebsd32_kmq_timedreceive_args), (sy_call_t *)lkmressys, AUE_NULL, NULL, 0, 0, SYF_CAPENABLED, SY_THR_ABSENT },	/* 459 = freebsd32_kmq_timedreceive */
diff --git a/sys/compat/freebsd32/freebsd32_systrace_args.c b/sys/compat/freebsd32/freebsd32_systrace_args.c
index 86b94a80588..a07fdae612e 100644
--- a/sys/compat/freebsd32/freebsd32_systrace_args.c
+++ b/sys/compat/freebsd32/freebsd32_systrace_args.c
@@ -2355,12 +2355,12 @@ systrace_args(int sysnum, void *params, uint64_t *uarg, int *n_args)
 		*n_args = 2;
 		break;
 	}
-	/* sigqueue */
+	/* freebsd32_sigqueue */
 	case 456: {
-		struct sigqueue_args *p = params;
+		struct freebsd32_sigqueue_args *p = params;
 		iarg[0] = p->pid; /* pid_t */
 		iarg[1] = p->signum; /* int */
-		uarg[2] = (intptr_t) p->value; /* void * */
+		iarg[2] = p->value; /* int */
 		*n_args = 3;
 		break;
 	}
@@ -7130,7 +7130,7 @@ systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 			break;
 		};
 		break;
-	/* sigqueue */
+	/* freebsd32_sigqueue */
 	case 456:
 		switch(ndx) {
 		case 0:
@@ -7140,7 +7140,7 @@ systrace_entry_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 			p = "int";
 			break;
 		case 2:
-			p = "userland void *";
+			p = "int";
 			break;
 		default:
 			break;
@@ -10305,7 +10305,7 @@ systrace_return_setargdesc(int sysnum, int ndx, char *desc, size_t descsz)
 		if (ndx == 0 || ndx == 1)
 			p = "int";
 		break;
-	/* sigqueue */
+	/* freebsd32_sigqueue */
 	case 456:
 		if (ndx == 0 || ndx == 1)
 			p = "int";