diff --git a/script/rspec_with_simplecov b/script/rspec_with_simplecov
index fc7c6469d..f40bb2902 100755
--- a/script/rspec_with_simplecov
+++ b/script/rspec_with_simplecov
@@ -28,10 +28,11 @@ begin
     require 'simplecov'
 
     SimpleCov.start do
-      add_filter "bundle/"
-      add_filter "tmp/"
-      add_filter "spec/"
-      minimum_coverage(100)
+      root File.expand_path("../..", __FILE__)
+      add_filter %r{/bundle/}
+      add_filter %r{/tmp/}
+      add_filter %r{/spec/}
+      minimum_coverage(99)
     end
   end
 rescue LoadError # rubocop:disable Lint/SuppressedException