diff --git a/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/ipa/callgraph/JSSSAPropagationCallGraphBuilder.java b/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/ipa/callgraph/JSSSAPropagationCallGraphBuilder.java
index 25f9b5826..aaffd2866 100755
--- a/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/ipa/callgraph/JSSSAPropagationCallGraphBuilder.java
+++ b/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/ipa/callgraph/JSSSAPropagationCallGraphBuilder.java
@@ -165,7 +165,7 @@ public class JSSSAPropagationCallGraphBuilder extends AstSSAPropagationCallGraph
   //
   // ///////////////////////////////////////////////////////////////////////////
 
-  public final GlobalObjectKey globalObject = new GlobalObjectKey(cha.lookupClass(JavaScriptTypes.Object));
+  private final GlobalObjectKey globalObject = new GlobalObjectKey(cha.lookupClass(JavaScriptTypes.Object));
 
   protected ExplicitCallGraph createEmptyCallGraph(IClassHierarchy cha, AnalysisOptions options) {
     return new JSCallGraph(cha, options, getAnalysisCache());