diff --git a/src/js/graph/treeCompare.js b/src/js/graph/treeCompare.js
index 068614ce..66b1506d 100644
--- a/src/js/graph/treeCompare.js
+++ b/src/js/graph/treeCompare.js
@@ -5,6 +5,9 @@ var TreeCompare = {};
 
 TreeCompare.dispatchFromLevel = function(levelBlob, treeToCompare) {
   var goalTreeString = levelBlob.goalTreeString;
+  if (typeof treeToCompare !== 'string') {
+    console.warn('NEED to pass in string!! gah');
+  }
   return TreeCompare.dispatch(levelBlob, goalTreeString, treeToCompare);
 };
 
diff --git a/src/js/level/index.js b/src/js/level/index.js
index d2509668..200c3b2f 100644
--- a/src/js/level/index.js
+++ b/src/js/level/index.js
@@ -327,7 +327,7 @@ var Level = Sandbox.extend({
       return;
     }
 
-    var current = this.mainVis.gitEngine.exportTree();
+    var current = this.mainVis.gitEngine.printTree();
     var solved = TreeCompare.dispatchFromLevel(this.level, current);
 
     if (!solved) {