diff --git a/lib/6to5/transformation/transformers/es6/destructuring.js b/lib/6to5/transformation/transformers/es6/destructuring.js
index bf94da2cca..246edf31ee 100644
--- a/lib/6to5/transformation/transformers/es6/destructuring.js
+++ b/lib/6to5/transformation/transformers/es6/destructuring.js
@@ -46,9 +46,11 @@ var push = function (opts, nodes, elem, parentId) {
 var pushAssignmentPattern = function (opts, nodes, pattern, parentId) {
   var tempParentId = opts.scope.generateUidBasedOnNode(parentId, opts.file);
 
-  nodes.push(t.variableDeclaration("var", [
+  var declar = t.variableDeclaration("var", [
     t.variableDeclarator(tempParentId, parentId)
-  ]));
+  ]);
+  declar._blockHoist = opts.blockHoist;
+  nodes.push(declar);
 
   nodes.push(buildVariableAssign(
     opts,
diff --git a/test/fixtures/transformation/regenerator/destructuring/exec.js b/test/fixtures/transformation/regenerator/destructuring/exec.js
index b9cf63e289..483a5724c1 100644
--- a/test/fixtures/transformation/regenerator/destructuring/exec.js
+++ b/test/fixtures/transformation/regenerator/destructuring/exec.js
@@ -3,4 +3,11 @@ function* foo() {
   return bar;
 }
 
-assert.deepEqual(foo().next().value, "bar");
+assert.equal(foo().next().value, "bar");
+
+function *foo({ bar = 0 }) {
+  return bar;
+}
+
+assert.equal(foo({ bar: undefined }).next(), 0);
+assert.equal(foo({ bar: 3 }).next(), 3);