diff --git a/test/plugins.js b/test/plugins.js
index 14f4a2ff3..02b7627ac 100644
--- a/test/plugins.js
+++ b/test/plugins.js
@@ -185,6 +185,13 @@ describe('Plugins', function () {
                     content.should.equal("hello;the;world");
                 });
         });
+
+        it('should correctly extend template blocks with arguments', function() {
+            return testTpl('{% test5args "a", "b", "c" %}{% endtest5args %}')
+                .then(function(content) {
+                    content.should.equal("test5a,b,ctest5");
+                });
+        });
     });
 });
 
diff --git a/test/plugins/blocks/index.js b/test/plugins/blocks/index.js
index 32f1910fc..c69801ef4 100644
--- a/test/plugins/blocks/index.js
+++ b/test/plugins/blocks/index.js
@@ -36,6 +36,11 @@ module.exports = {
                 assert(blk.blocks[1].name, "finally");
                 return [blk.body, blk.blocks[0].body, blk.blocks[1].body].join(blk.kwargs.separator);
             }
-        }
+        },
+        "test5args": {
+            process: function(blk) {
+                return "test5"+blk.args.join(',')+"test5";
+            }
+        },
     }
 };
\ No newline at end of file