diff --git a/src/testFixtures/kotlin/org/domaindrivenarchitecture/provs/test/TestSetup.kt b/src/testFixtures/kotlin/org/domaindrivenarchitecture/provs/test/TestSetup.kt
index 5cf6261..8f13a99 100644
--- a/src/testFixtures/kotlin/org/domaindrivenarchitecture/provs/test/TestSetup.kt
+++ b/src/testFixtures/kotlin/org/domaindrivenarchitecture/provs/test/TestSetup.kt
@@ -8,7 +8,7 @@ import org.domaindrivenarchitecture.provs.core.docker.dockerimages.UbuntuPlusUse
 import org.domaindrivenarchitecture.provs.core.processors.ContainerStartMode
 import org.domaindrivenarchitecture.provs.core.processors.ContainerUbuntuHostProcessor
 
-val testDockerWithSudo = !"true".equals(System.getProperty("testdockerwithoutsudo")?.toLowerCase())
+val testDockerWithSudo = !"true".equals(System.getProperty("testdockerwithoutsudo")?.lowercase())
 
 const val defaultTestContainerName = "provs_test"