diff --git a/sota-implementations/a2c/config_mujoco.yaml b/sota-implementations/a2c/config_mujoco.yaml
index 43ab041e0d5..9e8f36a5995 100644
--- a/sota-implementations/a2c/config_mujoco.yaml
+++ b/sota-implementations/a2c/config_mujoco.yaml
@@ -4,7 +4,7 @@ env:
 
 # collector
 collector:
-  frames_per_batch: 64
+  frames_per_batch: 640
   total_frames: 1_000_000
 
 # logger