diff --git a/theodolite-benchmarks/uc1-application/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc1-application/src/main/resources/META-INF/application.properties
index b46e6246e248cc524c5b6249348c76ded6ec468b..e3371cc87e20e85e6e8c327955537e6e49dab86e 100644
--- a/theodolite-benchmarks/uc1-application/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc1-application/src/main/resources/META-INF/application.properties
@@ -4,5 +4,5 @@ application.version=0.0.1
 kafka.bootstrap.servers=localhost:9092
 kafka.input.topic=input
 
-schema.registry.url=http://localhost:8091
+schema.registry.url=http://localhost:8081
 
diff --git a/theodolite-benchmarks/uc2-application/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc2-application/src/main/resources/META-INF/application.properties
index 15293b1387b96688401bbc48bc2d1615c7b63aba..1b59528db59653d8dc0c2a04d242a0cd39fe07da 100644
--- a/theodolite-benchmarks/uc2-application/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc2-application/src/main/resources/META-INF/application.properties
@@ -6,4 +6,4 @@ kafka.input.topic=input
 kafka.output.topic=output
 kafka.window.duration.minutes=1
 
-schema.registry.url=http://localhost:8091
+schema.registry.url=http://localhost:8081
diff --git a/theodolite-benchmarks/uc3-application/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc3-application/src/main/resources/META-INF/application.properties
index 1273441a61763325c812541e1af8c243f81a31a5..0ce745fb61f87016aee5cc242c03069924ceb58e 100644
--- a/theodolite-benchmarks/uc3-application/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc3-application/src/main/resources/META-INF/application.properties
@@ -7,4 +7,4 @@ kafka.output.topic=output
 aggregation.duration.days=30
 aggregation.advance.days=1
 
-schema.registry.url=http://localhost:8091
+schema.registry.url=http://localhost:8081
diff --git a/theodolite-benchmarks/uc4-application/src/main/resources/META-INF/application.properties b/theodolite-benchmarks/uc4-application/src/main/resources/META-INF/application.properties
index ce06091076e6ff7f9ede355c7f54c12b3d872119..a21f7e917e3ce4a0762261ca90444613c82ab650 100644
--- a/theodolite-benchmarks/uc4-application/src/main/resources/META-INF/application.properties
+++ b/theodolite-benchmarks/uc4-application/src/main/resources/META-INF/application.properties
@@ -7,7 +7,7 @@ kafka.configuration.topic=configuration
 kafka.feedback.topic=aggregation-feedback
 kafka.output.topic=output
 
-schema.registry.url=http://localhost:8091
+schema.registry.url=http://localhost:8081
 
 emit.period.ms=5000
 grace.period.ms=0
\ No newline at end of file