diff --git a/features/image-generation.feature b/features/image-generation.feature
index 4fbfb51..8e640b2 100644
--- a/features/image-generation.feature
+++ b/features/image-generation.feature
@@ -39,16 +39,17 @@ Feature: Responsive image generation
     And the file "_site/assets/resized/subdir/test-100.png" should exist
 
   Scenario: Honouring Jekyll 'source' configuration
-    Given I have copied my site to "sub-dir/my-site-copy"
+    Given I have copied my site to "my-site-copy/src"
     And I have a configuration with:
       """
-        source: sub-dir/my-site-copy
+        source: my-site-copy/src
         responsive_image:
           template: _includes/responsive-image.html
+          output_path_format: assets/resized/%{dirname}/%{width}/%{basename}
           sizes:
             - width: 100
       """
-    And I have a file "sub-dir/my-site-copy/index.html" with "{% responsive_image path: assets/everybody-loves-jalapeño-pineapple-cornbread.png %}"
+    And I have a file "my-site-copy/src/index.html" with "{% responsive_image path: assets/subdir/test.png %}"
     When I run Jekyll
-    Then the image "sub-dir/my-site-copy/assets/resized/everybody-loves-jalapeño-pineapple-cornbread-100x50.png" should have the dimensions "100x50"
-    And the file "_site/assets/resized/everybody-loves-jalapeño-pineapple-cornbread-100x50.png" should exist
+    Then the image "my-site-copy/src/assets/resized/subdir/test-100x50.png" should have the dimensions "100x50"
+    And the file "_site/assets/resized/subdir/test-100x50.png" should exist