diff --git a/external/cddl/osnet/dist/lib/libzfs/common/libzfs_import.c b/external/cddl/osnet/dist/lib/libzfs/common/libzfs_import.c
index 308a13c74306..4dafd3ef24c3 100644
--- a/external/cddl/osnet/dist/lib/libzfs/common/libzfs_import.c
+++ b/external/cddl/osnet/dist/lib/libzfs/common/libzfs_import.c
@@ -1095,8 +1095,17 @@ zpool_open_func(void *arg)
 	}
 #endif /* __FreeBSD__ */
 #ifdef __NetBSD__
+	struct dkwedge_list dkwl;
 	off_t size;
 
+	/* skip devices with wedges */
+	memset(&dkwl, 0, sizeof(dkwl));
+	if (native_ioctl(fd, DIOCLWEDGES, &dkwl) == 0 &&
+	    dkwl.dkwl_nwedges > 0) {
+		(void) close(fd);
+		return;
+	}
+
 	if (native_ioctl(fd, DIOCGMEDIASIZE, &size) < 0 ||
 	    size < SPA_MINDEVSIZE) {
 		(void) close(fd);