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-rw-r--r--railties/lib/rails/tasks/documentation.rake2
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/lib/rails/tasks/documentation.rake b/railties/lib/rails/tasks/documentation.rake
index 2851ca4189..4ec49eee76 100644
--- a/railties/lib/rails/tasks/documentation.rake
+++ b/railties/lib/rails/tasks/documentation.rake
@@ -2,7 +2,7 @@ require 'rdoc/task'
# Monkey-patch to remove redoc'ing and clobber descriptions to cut down on rake -T noise
class RDocTaskWithoutDescriptions < RDoc::Task
- include ::Rake::DSL
+ include ::Rake::DSL if defined?(::Rake::DSL)
def define
task rdoc_task_name