diff --git a/lib/core.js b/lib/core.js
index 989c2daf5..12a670059 100644
--- a/lib/core.js
+++ b/lib/core.js
@@ -526,6 +526,7 @@ module.exports = class Core {
         this._setBitfieldRanges(start, end, value)
       }
 
+      if (verifies.length > 0) this.replicator.cork()
       for (let i = 0; i < verifies.length; i++) {
         const bitfield = verifies[i] && verifies[i].bitfield
         if (bitfield) {
@@ -533,6 +534,7 @@ module.exports = class Core {
           this.replicator.onhave(bitfield.start, bitfield.length, bitfield.drop)
         }
       }
+      if (verifies.length > 0) this.replicator.uncork()
 
       if (this.hintsChanged) await this.flushHints()
     } finally {