diff --git a/packages/xo-web/src/xo-app/host/index.js b/packages/xo-web/src/xo-app/host/index.js
index 30a3f68b2..2783c80ef 100644
--- a/packages/xo-web/src/xo-app/host/index.js
+++ b/packages/xo-web/src/xo-app/host/index.js
@@ -191,6 +191,10 @@ export default class Host extends Component {
       return
     }
 
+    if (this.unsubscribeHostMissingPatches !== undefined) {
+      this.unsubscribeHostMissingPatches()
+    }
+
     this.unsubscribeHostMissingPatches = subscribeHostMissingPatches(host, missingPatches =>
       this.setState({
         missingPatches: missingPatches && sortBy(missingPatches, patch => -patch.time),