diff --git a/build.sh b/build.sh
index 41e2b608..d0ef5c4c 100755
--- a/build.sh
+++ b/build.sh
@@ -693,8 +693,9 @@ if [ ! -f "$WORK_IMG" ]; then
     gpart create -s BSD /dev/${MD}s2
     gpart add -t freebsd-ufs /dev/${MD}s2
 
-    # Create UFS filesystem on partition a
-    newfs -U /dev/${MD}s2a
+    # Create UFS filesystem on partition a. Keep the label expected by the
+    # stock FreeBSD memstick loader configuration.
+    newfs -U -L FreeBSD_Install /dev/${MD}s2a
 
     # Mount the new filesystem
     MOUNT_POINT="${CACHE_DIR}/mnt"