diff --git a/theodolite-benchmarks/uc1-beam-flink/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc1-beam-flink/src/main/resources/META-INF/application.properties
index 50db1510ab5d7f6b8c9b1a75f112719209c351ce..70cc5e94a64b8218344263d9d9d2ba3421fd69fd 100644
--- a/theodolite-benchmarks/uc1-beam-flink/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc1-beam-flink/src/main/resources/META-INF/application.properties
@@ -1,6 +1,8 @@
 application.name=theodolite-uc1-application
 application.version=0.0.1
 
+sink.type=logger
+
 kafka.bootstrap.servers=localhost:9092
 kafka.input.topic=input
 kafka.output.topic=output
@@ -13,4 +15,4 @@ cache.max.bytes.buffering=-1
 
 specific.avro.reader=True
 enable.auto.commit.config=True
-auto.offset.reset.config=earliest
\ No newline at end of file
+auto.offset.reset.config=earliest
diff --git a/theodolite-benchmarks/uc1-beam-samza/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc1-beam-samza/src/main/resources/META-INF/application.properties
index 50db1510ab5d7f6b8c9b1a75f112719209c351ce..70cc5e94a64b8218344263d9d9d2ba3421fd69fd 100644
--- a/theodolite-benchmarks/uc1-beam-samza/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc1-beam-samza/src/main/resources/META-INF/application.properties
@@ -1,6 +1,8 @@
 application.name=theodolite-uc1-application
 application.version=0.0.1
 
+sink.type=logger
+
 kafka.bootstrap.servers=localhost:9092
 kafka.input.topic=input
 kafka.output.topic=output
@@ -13,4 +15,4 @@ cache.max.bytes.buffering=-1
 
 specific.avro.reader=True
 enable.auto.commit.config=True
-auto.offset.reset.config=earliest
\ No newline at end of file
+auto.offset.reset.config=earliest