diff --git a/tools/iface/src/db/rocksdb.rs b/tools/iface/src/db/rocksdb.rs
index 0007b1a..cbfa506 100644
--- a/tools/iface/src/db/rocksdb.rs
+++ b/tools/iface/src/db/rocksdb.rs
@@ -87,6 +87,8 @@ impl<'r> Segment for RocksDBCF<'r> {
             self.db.rocks.put_cf(cf, key, value)?;
         }
 
+        self.db.rocks.flush_cf(cf)?;
+
         Ok(())
     }