diff --git a/example_project/mappers/Baseline.rb b/example_project/mappers/Baseline.rb
index e74529f9..5c426c69 100644
--- a/example_project/mappers/Baseline.rb
+++ b/example_project/mappers/Baseline.rb
@@ -686,7 +686,8 @@ def create_osw(scenario, features, feature_names)
             rescue StandardError
             end
 
-            args[:weather_station_epw_filepath] = "../../../weather/#{feature.weather_filename}"
+            epw = File.expand_path(File.join(File.dirname(__FILE__), '../weather', feature.weather_filename))
+            args[:weather_station_epw_filepath] = epw
 
             # Geometry
             args[:geometry_building_num_units] = 1