diff --git a/lfs.c b/lfs.c
index 7bd63e5..8ebf4ed 100644
--- a/lfs.c
+++ b/lfs.c
@@ -3338,6 +3338,14 @@ int lfs_format(lfs_t *lfs, const struct lfs_config *cfg) {
         if (err) {
             goto cleanup;
         }
+
+        // force compaction to prevent accidentally mounting any
+        // older version of littlefs that may live on disk
+        root.erased = false;
+        err = lfs_dir_commit(lfs, &root, NULL, 0);
+        if (err) {
+            goto cleanup;
+        }
     }
 
 cleanup:
@@ -4447,6 +4455,13 @@ int lfs_migrate(lfs_t *lfs, const struct lfs_config *cfg) {
         if (err) {
             goto cleanup;
         }
+
+        // force compaction to prevent accidentally mounting v1
+        dir2.erased = false;
+        err = lfs_dir_commit(lfs, &dir2, NULL, 0);
+        if (err) {
+            goto cleanup;
+        }
     }
 
 cleanup: