diff --git a/conduktor-kafka-single.yml b/conduktor-kafka-single.yml
index 5c0637a..2f44099 100644
--- a/conduktor-kafka-single.yml
+++ b/conduktor-kafka-single.yml
@@ -32,7 +32,6 @@ services:
       - "9999:9999" # JMX Port
       - "9099:9099"  # Internal inter-broker communication
     environment:
-      environment:
       CLUSTER_ID: MkU3OEVBNTcwNTJENDM2Qk
       KAFKA_NODE_ID: 1
       KAFKA_PROCESS_ROLES: broker,controller
@@ -50,4 +49,4 @@ services:
       KAFKA_ALLOW_EVERYONE_IF_NO_ACL_FOUND: "true"
 volumes:
   pg_data: {}
-  conduktor_data: {}
\ No newline at end of file
+  conduktor_data: {}