diff --git a/Model_CH_08_JZ2.py b/Model_CH_08_JZ2.py
index 63bcab2cf1de85f9fa82b03adbd266abe8ace637..355bbc70ae04bf84235174d2c9fd9d01b70cd341 100644
--- a/Model_CH_08_JZ2.py
+++ b/Model_CH_08_JZ2.py
@@ -68,7 +68,7 @@ class model:
         case_optimizer = lq.optimizers.CaseOptimizer(
             (
                 lq.optimizers.Bop.is_binary_variable,  # predicate
-                lq.optimizers.Bop(threshold=1e-6, gamma=1e-3),  # optimizer
+                lq.optimizers.Bop(threshold=1e-3, gamma=1e-6),  # optimizer
             ),
             default_optimizer=tf.keras.optimizers.Adam(0.001),
             )  # Case Bop optimizer