1 files changed, 4 insertions, 0 deletions
diff --git a/lib/transform.js b/lib/transform.js
index 5372cc59..0b92f8b5 100644
--- a/lib/transform.js
+++ b/lib/transform.js
@@ -126,6 +126,10 @@ TreeTransformer.prototype = new TreeWalker;
         self.name = self.name.transform(tw);
         if (self.value) self.value = self.value.transform(tw);
     });
+    DEF(AST_DefaultValue, function(self, tw) {
+        self.name = self.name.transform(tw);
+        self.value = self.value.transform(tw);
+    });
     DEF(AST_Lambda, function(self, tw) {
         if (self.name) self.name = self.name.transform(tw);
         self.argnames = do_list(self.argnames, tw);