diff --git a/rspec_formatters/semaphore_rspec3_json_formatter.rb b/rspec_formatters/semaphore_rspec3_json_formatter.rb
index 9f4d894..4a4f4f5 100644
--- a/rspec_formatters/semaphore_rspec3_json_formatter.rb
+++ b/rspec_formatters/semaphore_rspec3_json_formatter.rb
@@ -35,16 +35,21 @@ def format_example(example)
   end
 
   def file_path(example)
-    # In case of a shared_example
-    # example[:file_path] returns the path of the shared_example file
+    # For shared examples 'example.file_path' returns the path of the shared example file.
+    # This is not optinal for our use case because we can't estimate the duration of the
+    # original spec file.
     #
-    # We are interested in the duration of the file from which the shared_example was called instead.
-    #
-    # We can get this infor from `example.id`.
-    #
-    # It has the following format: `./spec/models/analysis_spec.rb[1:17:1:1:1]`
-    # We are droping the angle brackets at the end.
+    # To resolve this, we use `example.metadata[:example_group]` that contains the correct
+    # file path for both shared examples and regular tests
+
+    find_example_group_root_path(example.metadata[:example_group])
+  end
 
-    example.id.gsub(/\[.*\]$/, "")
+  def find_example_group_root_path(example_group)
+    if example_group.has_key?(:parent_example_group)
+      find_example_group_root_path(example_group[:parent_example_group])
+    else
+      example_group[:file_path]
+    end
   end
 end
diff --git a/spec/integration/rspec_spec.rb b/spec/integration/rspec_spec.rb
index 2b3aedd..1182674 100644
--- a/spec/integration/rspec_spec.rb
+++ b/spec/integration/rspec_spec.rb
@@ -17,10 +17,11 @@
       @test_repo.clone
       @test_repo.set_env_var("RSPEC_SPLIT_CONFIGURATION_PATH", @split_configuration_path)
 
-      # set RSpec version of the test project
+      # set RSpec version in the test project
       rspec_dependancy_pattern = 'spec.add_development_dependency "rspec".*$'
       rspec_dependancy_version = "spec.add_development_dependency \"rspec\", '#{@rspec_version}'"
-      system(%Q{sed -i 's/#{rspec_dependancy_pattern}/#{rspec_dependancy_version}/' #{@test_repo.project_path}/rspec_project.gemspec})
+      gemspec_path = "#{@test_repo.project_path}/rspec_project.gemspec"
+      system(%{sed -i 's/#{rspec_dependancy_pattern}/#{rspec_dependancy_version}/' #{gemspec_path}})
 
       File.write(@split_configuration_path, [
         { :files => [] },