diff --git a/lib/lockfile.js b/lib/lockfile.js
index 97b6637..ba931c4 100644
--- a/lib/lockfile.js
+++ b/lib/lockfile.js
@@ -75,7 +75,13 @@ function acquireLock(file, options, callback) {
                     return callback(err);
                 }
 
-                acquireLock(file, { ...options, stale: 0 }, callback);
+                acquireLock(file, { ...options, stale: 0 }, (err) => {
+                    if (!err) {
+                        // Only notify when the lock was actually acquired to make sure only one process can reclaim
+                        options.onReclaimedStale && options.onReclaimedStale();
+                    }
+                    callback(err);
+                });
             });
         });
     });