diff --git a/theodolite-benchmarks/uc2-flink/build.gradle b/theodolite-benchmarks/uc2-flink/build.gradle
index 0c50937f3378a8644a1551bcab1f79c173257794..ea4d2d8b285792b8ce66484d0d9c0907a7c49957 100644
--- a/theodolite-benchmarks/uc2-flink/build.gradle
+++ b/theodolite-benchmarks/uc2-flink/build.gradle
@@ -2,4 +2,4 @@ plugins {
   id 'theodolite.flink'
 }
 
-mainClassName = "rocks.theodolite.benchmarks.uc1.flink.HistoryServiceFlinkJob"
+mainClassName = "rocks.theodolite.benchmarks.uc2.flink.HistoryServiceFlinkJob"
diff --git a/theodolite-benchmarks/uc4-flink/build.gradle b/theodolite-benchmarks/uc4-flink/build.gradle
index c095c4126bfae6556e51596a2d53ade601cf321f..a6d20c2ddeaf8cd614d9fb3818ad8f18ba28c2a9 100644
--- a/theodolite-benchmarks/uc4-flink/build.gradle
+++ b/theodolite-benchmarks/uc4-flink/build.gradle
@@ -2,4 +2,4 @@ plugins {
   id 'theodolite.flink'
 }
 
-mainClassName = "rocks.theodolite.benchmarks.uc2.flink.AggregationServiceFlinkJob"
+mainClassName = "rocks.theodolite.benchmarks.uc4.flink.AggregationServiceFlinkJob"