diff --git a/config/initializers/rack-mini-profiler.rb b/config/initializers/rack-mini-profiler.rb
index 1063d951..9103b7e8 100644
--- a/config/initializers/rack-mini-profiler.rb
+++ b/config/initializers/rack-mini-profiler.rb
@@ -1,2 +1,2 @@
 # Have Mini Profiler show up on the right
-Rack::MiniProfiler.config.position = 'bottom-left'
+Rack::MiniProfiler.config.position = 'bottom-left' if defined?(Rack::MiniProfiler)