diff --git a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractJavaLaunchConfigurationDelegate.java b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractJavaLaunchConfigurationDelegate.java
index f0abb6d..022ee00 100644
--- a/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractJavaLaunchConfigurationDelegate.java
+++ b/org.eclipse.jdt.launching/launching/org/eclipse/jdt/launching/AbstractJavaLaunchConfigurationDelegate.java
@@ -1215,7 +1215,7 @@
 		try {
 			IJavaProject javaProject = getJavaProject(configuration);
 			String id = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
-			if (JavaCore.DISABLED.equals(id)) {
+			if (JavaCore.ENABLED.equals(id)) {
 				return true;
 			}
 		} catch (CoreException e) {