diff --git a/mkdocs.yml b/mkdocs.yml
index cd0e2bd0e..b7e0448df 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -23,7 +23,7 @@ theme:
   features:
     - navigation.top
     - navigation.tracking
-    
+
 markdown_extensions:
   - attr_list
   - admonition
@@ -31,7 +31,7 @@ markdown_extensions:
       permalink: true
   - pymdownx.magiclink
   - pymdownx.tasklist:
-      custom_checkbox: true  
+      custom_checkbox: true
   - pymdownx.mark
   - pymdownx.tilde
   - pymdownx.extra
@@ -267,7 +267,7 @@ plugins:
       redirect_maps:
         # 'old': 'new'
         # LEGACY
-        'u_e-mailpiler-integration.md': 'third_party/third_party-mailpiler_integration.en.md'
+        'u_e-mailpiler-integration.md': 'third_party/mailpiler/third_party-mailpiler_integration.en.md'
         'b_n_r_accidental_deletion.md': 'backup_restore/b_n_r-accidental_deletion.en.md'
         'debug-reset-tls.md': 'troubleshooting/debug-reset_tls.en.md'
         # NEW DUE TO NEW LAYOUT
@@ -385,4 +385,4 @@ extra:
       accent: orange
 extra_css: [ assets/stylesheets/extra.css ]
 extra_javascript:
-  - assets/javascripts/client.js
\ No newline at end of file
+  - assets/javascripts/client.js