diff --git a/src/counter.js b/src/counter.js
index aacc15c..44ab4c0 100644
--- a/src/counter.js
+++ b/src/counter.js
@@ -6,7 +6,8 @@ export default async(size, arcId) => {
     console.logger.info(`COUNTER: SIZE:${size} ARC_ID:${arcId}`);
     await con.query(`
         UPDATE vn.arcRead
-            SET counter = ?
+            SET counter = ?,
+                error = NULL
             WHERE id = ?;
     `, [size, arcId]);