diff --git a/theodolite-benchmarks/docker-test/uc1-kstreams/docker-compose.yml b/theodolite-benchmarks/docker-test/uc1-kstreams/docker-compose.yml
index 7606c375e9cc5e3d003501111626ce288b7f79fc..a673db5ced5b834632a1bca6f3fb4a2da2b68296 100755
--- a/theodolite-benchmarks/docker-test/uc1-kstreams/docker-compose.yml
+++ b/theodolite-benchmarks/docker-test/uc1-kstreams/docker-compose.yml
@@ -38,7 +38,7 @@ services:
       SCHEMA_REGISTRY_HOST_NAME: schema-registry
       SCHEMA_REGISTRY_KAFKASTORE_BOOTSTRAP_SERVERS: kafka:9092
   benchmark:
-    image: ghcr.io/cau-se/theodolite-uc1-kstreams-app:{THEODOLITE_TAG:-latest}
+    image: ghcr.io/cau-se/theodolite-uc1-kstreams-app:${THEODOLITE_TAG:-latest}
     depends_on:
       - schema-registry
       - kafka