Fix context for template block/filters

1 files changed, 11 insertions, 7 deletions

diff --git a/lib/template/index.js b/lib/template/index.js
index 5af2089..7be16b9 100644
--- a/lib/template/index.js
+++ b/lib/template/index.js
@@ -68,14 +68,18 @@ function TemplateEngine(output) {
 // Bind a function to a context
 // Filters and blocks are binded to this context
 TemplateEngine.prototype.bindContext = function(func) {
-    var ctx = {
-        ctx: this.ctx,
-        book: this.book,
-        output: this.output
-    };
-    error.deprecateField(ctx, 'generator', this.output.name, '"generator" property is deprecated, use "output.generator" instead');
+    var that = this;
 
-    return _.bind(func, ctx);
+    return function() {
+        var ctx = {
+            ctx: this.ctx,
+            book: that.book,
+            output: that.output
+        };
+        error.deprecateField(ctx, 'generator', that.output.name, '"generator" property is deprecated, use "output.generator" instead');
+
+        return func.apply(ctx, arguments);
+    };
 };
 
 // Interpolate a string content to replace shortcuts according to the filetype