diff --git a/lib/posix/Kconfig b/lib/posix/Kconfig
index b1a0d52995b..2f6350d5b10 100644
--- a/lib/posix/Kconfig
+++ b/lib/posix/Kconfig
@@ -19,6 +19,7 @@ config POSIX_API
 config PTHREAD_IPC
 	bool "POSIX pthread IPC API"
 	default y if POSIX_API
+	depends on POSIX_CLOCK
 	help
 	  This enables a mostly-standards-compliant implementation of
 	  the pthread mutex, condition variable and barrier IPC
diff --git a/lib/posix/semaphore.c b/lib/posix/semaphore.c
index 26a36f5c93a..3d60ddec8dd 100644
--- a/lib/posix/semaphore.c
+++ b/lib/posix/semaphore.c
@@ -91,6 +91,7 @@ int sem_post(sem_t *semaphore)
 int sem_timedwait(sem_t *semaphore, struct timespec *abstime)
 {
 	int32_t timeout;
+	struct timespec current;
 	int64_t current_ms, abstime_ms;
 
 	__ASSERT(abstime, "abstime pointer NULL");
@@ -100,8 +101,12 @@ int sem_timedwait(sem_t *semaphore, struct timespec *abstime)
 		return -1;
 	}
 
-	current_ms = (int64_t)k_uptime_get();
+	if (clock_gettime(CLOCK_REALTIME, &current) < 0) {
+		return -1;
+	}
+
 	abstime_ms = (int64_t)_ts_to_ms(abstime);
+	current_ms = (int64_t)_ts_to_ms(&current);
 
 	if (abstime_ms <= current_ms) {
 		timeout = 0;
diff --git a/samples/net/sockets/socketpair/prj.conf b/samples/net/sockets/socketpair/prj.conf
index b884d633797..4f5d22d808b 100644
--- a/samples/net/sockets/socketpair/prj.conf
+++ b/samples/net/sockets/socketpair/prj.conf
@@ -12,4 +12,5 @@ CONFIG_TEST_RANDOM_GENERATOR=y
 
 # Use Portable threads
 CONFIG_PTHREAD_IPC=y
+CONFIG_POSIX_CLOCK=y
 CONFIG_NET_SOCKETS_POSIX_NAMES=y