diff --git a/middleman-core/lib/middleman-core/cli/build.rb b/middleman-core/lib/middleman-core/cli/build.rb
index 7b256e2d..416c1d90 100644
--- a/middleman-core/lib/middleman-core/cli/build.rb
+++ b/middleman-core/lib/middleman-core/cli/build.rb
@@ -162,6 +162,11 @@ module Middleman::Cli
       @to_clean += paths.select do |path|
         path.to_s !~ /\/\./ || path.to_s =~ /\.(htaccess|htpasswd)/
       end
+
+      if RUBY_PLATFORM =~ /darwin/
+        # handle UTF-8-MAC filename on MacOS
+        @to_clean.map { |path| path.to_s.encode('UTF-8', 'UTF-8-MAC') }
+      end
     end
 
     # Actually build the app
@@ -206,12 +211,7 @@ module Middleman::Cli
         output_path = render_to_file(resource)
 
         if should_clean? && output_path.exist?
-          if RUBY_PLATFORM =~ /darwin/
-            # handle UTF-8-MAC filename on MacOS
-            @to_clean.delete_if { |path| path.to_s.encode('UTF-8', 'UTF-8-MAC')  == output_path.realpath.to_s }
-          else
-            @to_clean.delete(output_path.realpath)
-          end
+          @to_clean.delete(output_path.realpath)
         end
       end