diff --git a/src/java/org/marianoguerra/rhino/DynamicScopeContextFactory.java b/src/java/org/marianoguerra/rhino/DynamicScopeContextFactory.java
index 6284281..de0543c 100644
--- a/src/java/org/marianoguerra/rhino/DynamicScopeContextFactory.java
+++ b/src/java/org/marianoguerra/rhino/DynamicScopeContextFactory.java
@@ -4,7 +4,12 @@ import org.mozilla.javascript.Context;
 import org.mozilla.javascript.ContextFactory;
 
 public class DynamicScopeContextFactory extends ContextFactory {
-	public static boolean useDynamicScope;
+	static boolean useDynamicScope;
+
+	public static boolean toggleDynamicScopeCreation(boolean enable) {
+		useDynamicScope = enable;
+		return useDynamicScope;
+	}
 
 	@Override
 	protected boolean hasFeature(Context cx, int featureIndex) {