diff --git a/org.ntlab.reverseDebugger/.settings/org.eclipse.jdt.core.prefs b/org.ntlab.reverseDebugger/.settings/org.eclipse.jdt.core.prefs
index 980b98c..19117a3 100644
--- a/org.ntlab.reverseDebugger/.settings/org.eclipse.jdt.core.prefs
+++ b/org.ntlab.reverseDebugger/.settings/org.eclipse.jdt.core.prefs
@@ -9,4 +9,5 @@
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.release=disabled
 org.eclipse.jdt.core.compiler.source=1.7