diff --git a/configs/example/apu_se.py b/configs/example/apu_se.py
index ffd2578e3d..169a72b6d1 100644
--- a/configs/example/apu_se.py
+++ b/configs/example/apu_se.py
@@ -252,6 +252,7 @@ parser.add_argument(
 parser.add_argument(
     "--max-cu-tokens",
     type=int,
+    default=4,
     help="Number of coalescer tokens per CU",
 )
 parser.add_argument(