diff --git a/tests/sys/kern/unix_seqpacket_test.c b/tests/sys/kern/unix_seqpacket_test.c
index 4d157dcf7faa..e4f108f7f57f 100644
--- a/tests/sys/kern/unix_seqpacket_test.c
+++ b/tests/sys/kern/unix_seqpacket_test.c
@@ -127,7 +127,7 @@ shutdown_send_sigpipe_handler(int __unused x)
  * Parameterized test function bodies
  */
 static void
-test_eagain(size_t sndbufsize, size_t rcvbufsize)
+test_eagain(int sndbufsize, int rcvbufsize)
 {
 	int i;
 	int sv[2];
@@ -165,7 +165,7 @@ test_eagain(size_t sndbufsize, size_t rcvbufsize)
 }
 
 static void
-test_sendrecv_symmetric_buffers(size_t bufsize, int blocking) {
+test_sendrecv_symmetric_buffers(int bufsize, int blocking) {
 	int s;
 	int sv[2];
 	const ssize_t pktsize = bufsize / 2;
@@ -209,7 +209,7 @@ test_sendrecv_symmetric_buffers(size_t bufsize, int blocking) {
 }
 
 static void
-test_pipe_simulator(size_t sndbufsize, size_t rcvbufsize)
+test_pipe_simulator(int sndbufsize, int rcvbufsize)
 {
 	int num_sent, num_received;
 	int sv[2];
@@ -341,7 +341,7 @@ test_pipe_reader(void* args)
 
 
 static void
-test_pipe(size_t sndbufsize, size_t rcvbufsize)
+test_pipe(int sndbufsize, int rcvbufsize)
 {
 	test_pipe_thread_data_t writer_data, reader_data;
 	pthread_t writer, reader;
@@ -825,8 +825,8 @@ ATF_TC_WITHOUT_HEAD(emsgsize);
 ATF_TC_BODY(emsgsize, tc)
 {
 	int sv[2];
-	const size_t sndbufsize = 8192;
-	const size_t rcvbufsize = 8192;
+	const int sndbufsize = 8192;
+	const int rcvbufsize = 8192;
 	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
 	char sndbuf[pktsize];
 	ssize_t ssize;
@@ -854,8 +854,8 @@ ATF_TC_WITHOUT_HEAD(emsgsize_nonblocking);
 ATF_TC_BODY(emsgsize_nonblocking, tc)
 {
 	int sv[2];
-	const size_t sndbufsize = 8192;
-	const size_t rcvbufsize = 8192;
+	const int sndbufsize = 8192;
+	const int rcvbufsize = 8192;
 	const size_t pktsize = (sndbufsize + rcvbufsize) * 2;
 	char sndbuf[pktsize];
 	ssize_t ssize;
@@ -912,8 +912,8 @@ ATF_TC_BODY(rcvbuf_oversized, tc)
 	int i;
 	int sv[2];
 	const ssize_t pktsize = 1024;
-	const size_t sndbufsize = 8192;
-	const size_t rcvbufsize = 131072;
+	const int sndbufsize = 8192;
+	const int rcvbufsize = 131072;
 	const size_t geometric_mean_bufsize = 32768;
 	const int numpkts = geometric_mean_bufsize / pktsize;
 	char sndbuf[pktsize];