1 files changed, 2 insertions, 0 deletions
diff --git a/lib/models/templateBlock.js b/lib/models/templateBlock.js
index ab4cf3e..36f7c5b 100644
--- a/lib/models/templateBlock.js
+++ b/lib/models/templateBlock.js
@@ -71,6 +71,8 @@ TemplateBlock.prototype.getExtensionName = function() {
     @return {Nunjucks.Extension}
 */
 TemplateBlock.prototype.toNunjucksExt = function(mainContext, blocksOutput) {
+    blocksOutput = blocksOutput || {};
+
     var that = this;
     var name = this.getName();
     var endTag = this.getEndTag();