diff --git a/railties/builtin/rails_info/rails/info.rb b/railties/builtin/rails_info/rails/info.rb
index a20d9bfe62947..8c858d23fb382 100644
--- a/railties/builtin/rails_info/rails/info.rb
+++ b/railties/builtin/rails_info/rails/info.rb
@@ -25,8 +25,10 @@ def frameworks
       end
 
       def framework_version(framework)
-        require "#{framework}/version"
-        "#{framework.classify}::VERSION::STRING".constantize
+        if Object.const_defined?(framework.classify)
+          require "#{framework}/version"
+          "#{framework.classify}::VERSION::STRING".constantize
+        end
       end
 
       def edge_rails_revision(info = git_info)