diff --git a/ant/org.eclipse.ant.tests.ui/Ant Tests/org/eclipse/ant/tests/ui/separateVM/SeparateVMTests.java b/ant/org.eclipse.ant.tests.ui/Ant Tests/org/eclipse/ant/tests/ui/separateVM/SeparateVMTests.java
index 49f5e58..c27e24e 100644
--- a/ant/org.eclipse.ant.tests.ui/Ant Tests/org/eclipse/ant/tests/ui/separateVM/SeparateVMTests.java
+++ b/ant/org.eclipse.ant.tests.ui/Ant Tests/org/eclipse/ant/tests/ui/separateVM/SeparateVMTests.java
@@ -56,6 +56,7 @@
 	 * @since 3.8.200
 	 */
 	void assertLines(int expectedLines) {
+		ConsoleLineTracker.waitForConsole();
 		if (ConsoleLineTracker.getNumberOfMessages() != expectedLines) {
 			List<String> lines = ConsoleLineTracker.getAllMessages();
 			System.err.println("Failed line count from " + getName() + ", tracked lines: "); //$NON-NLS-1$ //$NON-NLS-2$