diff --git a/c_src/cmd_strip_alloc.c b/c_src/cmd_strip_alloc.c
index 3737542d..d0344876 100644
--- a/c_src/cmd_strip_alloc.c
+++ b/c_src/cmd_strip_alloc.c
@@ -52,6 +52,12 @@ void strip_fs_alloc(struct bch_fs *c)
 	swap(u64s, clean->field.u64s);
 	bch2_sb_field_resize(&c->disk_sb, clean, u64s);
 
+	scoped_guard(percpu_write, &c->mark_lock) {
+		kfree(c->replicas.entries);
+		c->replicas.entries = NULL;
+		c->replicas.nr = 0;
+	}
+
 	bch2_sb_field_resize(&c->disk_sb, replicas_v0, 0);
 	bch2_sb_field_resize(&c->disk_sb, replicas, 0);