diff --git a/theodolite-benchmarks/definitions/uc1-beam-samza/uc1-beam-samza-benchmark-operator.yaml b/theodolite-benchmarks/definitions/uc1-beam-samza/uc1-beam-samza-benchmark-operator.yaml
index 3a9c965b85ea4615cc20e537d4b97505bf947da0..46030c67b135c97fcefe99482bd511f0c8138a0e 100644
--- a/theodolite-benchmarks/definitions/uc1-beam-samza/uc1-beam-samza-benchmark-operator.yaml
+++ b/theodolite-benchmarks/definitions/uc1-beam-samza/uc1-beam-samza-benchmark-operator.yaml
@@ -18,7 +18,7 @@ spec:
               app: "zookeeper-client"
           container: "zookeeper-client"
         exec:
-          command: ["bin/zkCli.sh", "-server", "$ZOOKEEPER_SERVER", "deleteall", "/app-theodolite-uc1-application-1"]
+          command: ["bash", "-c", "bin/zkCli.sh -server $ZOOKEEPER_SERVER deleteall /app-theodolite-uc1-application-1"]
           timeoutSeconds: 60
   loadGenerator:
     resources:
diff --git a/theodolite-benchmarks/definitions/uc2-beam-samza/uc2-beam-samza-benchmark-operator.yaml b/theodolite-benchmarks/definitions/uc2-beam-samza/uc2-beam-samza-benchmark-operator.yaml
index 9fafe0082416438b3ce30da2108817098f291993..ab651afba1877c7e70509d2730ea020071814553 100644
--- a/theodolite-benchmarks/definitions/uc2-beam-samza/uc2-beam-samza-benchmark-operator.yaml
+++ b/theodolite-benchmarks/definitions/uc2-beam-samza/uc2-beam-samza-benchmark-operator.yaml
@@ -36,7 +36,7 @@ spec:
               app: "zookeeper-client"
           container: "zookeeper-client"
         exec:
-          command: ["bin/zkCli.sh", "-server", "$ZOOKEEPER_SERVER", "deleteall", "/app-theodolite-uc2-application-1"]
+          command: ["bash", "-c", "bin/zkCli.sh -server $ZOOKEEPER_SERVER deleteall /app-theodolite-uc2-application-1"]
           timeoutSeconds: 60
   loadGenerator:
     resources:
diff --git a/theodolite-benchmarks/definitions/uc3-beam-samza/uc3-beam-samza-benchmark-operator.yaml b/theodolite-benchmarks/definitions/uc3-beam-samza/uc3-beam-samza-benchmark-operator.yaml
index 656fd0982bbdb0585b09c2433b8ba29789926fb6..36d812d4ca1fd226c7edcd96472b5aefff26bfda 100644
--- a/theodolite-benchmarks/definitions/uc3-beam-samza/uc3-beam-samza-benchmark-operator.yaml
+++ b/theodolite-benchmarks/definitions/uc3-beam-samza/uc3-beam-samza-benchmark-operator.yaml
@@ -18,7 +18,7 @@ spec:
               app: "zookeeper-client"
           container: "zookeeper-client"
         exec:
-          command: ["bin/zkCli.sh", "-server", "$ZOOKEEPER_SERVER", "deleteall", "/app-theodolite-uc3-application-1"]
+          command: ["bash", "-c", "bin/zkCli.sh -server $ZOOKEEPER_SERVER deleteall /app-theodolite-uc3-application-1"]
           timeoutSeconds: 60
   loadGenerator:
     resources:
diff --git a/theodolite-benchmarks/definitions/uc4-beam-samza/uc4-beam-samza-benchmark-operator.yaml b/theodolite-benchmarks/definitions/uc4-beam-samza/uc4-beam-samza-benchmark-operator.yaml
index 949edbb2c97a3899c1844f092691c437f1ee4540..12690cec23761a38c948b0cb8757550ded54acef 100644
--- a/theodolite-benchmarks/definitions/uc4-beam-samza/uc4-beam-samza-benchmark-operator.yaml
+++ b/theodolite-benchmarks/definitions/uc4-beam-samza/uc4-beam-samza-benchmark-operator.yaml
@@ -18,7 +18,7 @@ spec:
               app: "zookeeper-client"
           container: "zookeeper-client"
         exec:
-          command: ["bin/zkCli.sh", "-server", "$ZOOKEEPER_SERVER", "deleteall", "/app-theodolite-uc4-application-1"]
+          command: ["bash", "-c", "bin/zkCli.sh -server $ZOOKEEPER_SERVER deleteall /app-theodolite-uc4-application-1"]
           timeoutSeconds: 60
   loadGenerator:
     resources: