diff --git a/code/infrastructure/docker-compose.yml b/code/infrastructure/docker-compose.yml
index c74d800f7b94fcfdcefac56ca56225d964404ed0..2bf9f5c4cc1dcbcefd84a45316fa3f6b58652b5f 100644
--- a/code/infrastructure/docker-compose.yml
+++ b/code/infrastructure/docker-compose.yml
@@ -241,7 +241,7 @@ services:
     container_name: pub_cdm
     image: lab.it.hs-hannover.de:4567/cwy-p8d-u1/ma_code/pub_cdm
     environment:
-      - lines_per_window=2500
+      - lines_per_window=2000
       - path_to_firstK=/var/lib/import/first1k.json
       - path_data=/var/lib/import/
       - sleep_time=1