diff --git a/src/pipewire/core.c b/src/pipewire/core.c
index 2fe0eb79e..d18d6076b 100644
--- a/src/pipewire/core.c
+++ b/src/pipewire/core.c
@@ -81,7 +81,10 @@ static void core_event_add_mem(void *data, uint32_t id, uint32_t type, int fd, u
 	pw_log_debug("%p: add mem %u type:%u fd:%d flags:%u", this, id, type, fd, flags);
 
 	m = pw_mempool_import(this->pool, flags, type, fd);
-	if (m->id != id) {
+	if (m == NULL) {
+		pw_log_error("%p: can't import mem id:%u fd:%d: %m", this, id, fd);
+		pw_proxy_errorf(&this->proxy, -errno, "can't import mem id:%u: %m", id);
+	} else if (m->id != id) {
 		pw_log_error("%p: invalid mem id %u, fd:%d expected %u",
 				this, id, fd, m->id);
 		pw_proxy_errorf(&this->proxy, -EINVAL, "invalid mem id %u, expected %u", id, m->id);
diff --git a/src/pipewire/mem.c b/src/pipewire/mem.c
index 3ef6db75b..6804c7d6c 100644
--- a/src/pipewire/mem.c
+++ b/src/pipewire/mem.c
@@ -611,7 +611,7 @@ struct pw_memblock * pw_mempool_import(struct pw_mempool *pool,
 	struct memblock *b;
 
 	if (fd < 0) {
-		pw_log_error("%p: cannot import invalid fd", pool);
+		pw_log_error("%p: cannot import invalid fd:%d", pool, fd);
 		errno = EINVAL;
 		return NULL;
 	}