diff --git a/test/src/test/java/jenkins/security/Security218BlackBoxTest.java b/test/src/test/java/jenkins/security/Security218BlackBoxTest.java
index 7d0b9d5c9b105b806db47a032ff8122b39e6f893..dc329e67ec54dc36ab5e36a6b533102c5375c41d 100644
--- a/test/src/test/java/jenkins/security/Security218BlackBoxTest.java
+++ b/test/src/test/java/jenkins/security/Security218BlackBoxTest.java
@@ -54,8 +54,8 @@ import org.jvnet.hudson.test.recipes.PresetData;
 
 public class Security218BlackBoxTest {
 
-    private static final String overrideURL = System.getenv("JENKINS_URL");
-    private static final String overrideHome = System.getenv("JENKINS_HOME");
+    private static final String overrideURL = System.getenv("VICTIM_JENKINS_URL");
+    private static final String overrideHome = System.getenv("VICTIM_JENKINS_HOME");
     static {
         assertTrue("$JENKINS_URL and $JENKINS_HOME must both be defined together", (overrideURL == null) == (overrideHome == null));
     }