diff --git a/lib/libgeom/geom_stats.c b/lib/libgeom/geom_stats.c
index 539c3202a521..82a63d020e18 100644
--- a/lib/libgeom/geom_stats.c
+++ b/lib/libgeom/geom_stats.c
@@ -87,6 +87,8 @@ geom_stats_open(void)
 	if (statsfd < 0)
 		return (errno);
 	pagesize = getpagesize();
+	if (pagesize == -1)
+		return (errno);
 	spp = pagesize / sizeof(struct devstat);
 	p = mmap(NULL, pagesize, PROT_READ, MAP_SHARED, statsfd, 0);
 	if (p == MAP_FAILED) {