diff --git a/lib/zigbee.js b/lib/zigbee.js
index 58358c77c..718d5c606 100644
--- a/lib/zigbee.js
+++ b/lib/zigbee.js
@@ -107,7 +107,12 @@ class Zigbee {
                 callback(null, true);
             }
         } else {
-            callback(null, false);
+            if (this.getAllClients().find((d) => d.ieeeAddr === devInfo.ieeeAddr)) {
+                // Allow already connected devices to rejoin.
+                callback(null, true);
+            } else {
+                callback(null, false);
+            }
         }
     }