diff --git a/lib/grape_logging/loggers/filter_parameters.rb b/lib/grape_logging/loggers/filter_parameters.rb
index c7942e1..83d612d 100644
--- a/lib/grape_logging/loggers/filter_parameters.rb
+++ b/lib/grape_logging/loggers/filter_parameters.rb
@@ -12,13 +12,12 @@ module GrapeLogging
 
       private
       def replace_parameters(parameters)
-        parameters.tap do |parameters|
-          @filter_parameters.each do |parameter_name|
-            if parameters.key?(parameter_name.to_s)
-              parameters[parameter_name.to_s] = @replacement
-            end
+        @filter_parameters.each do |parameter_name|
+          if parameters.key?(parameter_name.to_s)
+            parameters[parameter_name.to_s] = @replacement
           end
         end
+        parameters
       end
     end
   end
diff --git a/lib/grape_logging/middleware/request_logger.rb b/lib/grape_logging/middleware/request_logger.rb
index 41cecc9..f6cd65a 100644
--- a/lib/grape_logging/middleware/request_logger.rb
+++ b/lib/grape_logging/middleware/request_logger.rb
@@ -29,12 +29,8 @@ module GrapeLogging
 
       def after
         stop_time
-
-        params = collect_parameters
-        @reporter.perform(params)
-
+        @reporter.perform(collect_parameters)
         invoke_included_loggers(:after)
-
         nil
       end
 
diff --git a/lib/grape_logging/reporters/logger_reporter.rb b/lib/grape_logging/reporters/logger_reporter.rb
index b0631a6..c5620d4 100644
--- a/lib/grape_logging/reporters/logger_reporter.rb
+++ b/lib/grape_logging/reporters/logger_reporter.rb
@@ -2,7 +2,7 @@ module Reporters
   class LoggerReporter
     def initialize(logger, formatter)
       @logger = logger || Logger.new(STDOUT)
-      @logger.formatter = formatter || GrapeLogging::Formatters::Default.new
+      @logger.formatter = formatter || GrapeLogging::Formatters::Default.new if @logger.respond_to?(:formatter=)
     end
 
     def perform(params)