diff --git a/its/ruling/src/test/java/org/sonarsource/slang/SlangRulingTest.java b/its/ruling/src/test/java/org/sonarsource/slang/SlangRulingTest.java
index 1d825b286..b574916f5 100644
--- a/its/ruling/src/test/java/org/sonarsource/slang/SlangRulingTest.java
+++ b/its/ruling/src/test/java/org/sonarsource/slang/SlangRulingTest.java
@@ -265,7 +265,7 @@ private void executeSonarScannerAndAssertDifferences(String project, Map<String,
 
     String debugPort = System.getProperty("sonar.rulingDebugPort");
     if (debugPort != null) {
-      build.setEnvironmentVariable("SONAR_SCANNER_DEBUG_OPTS",
+      build.setEnvironmentVariable("SONAR_SCANNER_JAVA_OPTS",
         "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=" + debugPort);
     }