diff --git a/noptica.py b/noptica.py
index 5a09c59..7c8921b 100644
--- a/noptica.py
+++ b/noptica.py
@@ -119,7 +119,7 @@ class Stabilizer:
         self.k = 50.0e-6
         self.tolerance = 10e3
         self.lock_counter_threshold = 60
-        self.unlock_counter_threshold = 600
+        self.unlock_counter_threshold = 1000
         self.wiggle = 0.2
 
     def input(self, samples):