diff --git a/docker/web/nginx.dev.conf b/docker/web/nginx.dev.conf
index 2d2292d4..adf50a55 100644
--- a/docker/web/nginx.dev.conf
+++ b/docker/web/nginx.dev.conf
@@ -17,6 +17,8 @@ http {
     # Custom types for ebooks.
     application/x-mobipocket-ebook mobi;
     application/epub+zip epub;
+    # Configs
+    text/yaml yaml yml;
   }
 
   server {
@@ -41,4 +43,4 @@ http {
     include /etc/nginx/conf.d/*;
   }
 
-}
\ No newline at end of file
+}
diff --git a/etc/raspberrypios/nginx.conf b/etc/raspberrypios/nginx.conf
index 4d2e93fe..4d575d68 100644
--- a/etc/raspberrypios/nginx.conf
+++ b/etc/raspberrypios/nginx.conf
@@ -18,6 +18,8 @@ http {
     # Custom types for ebooks.
     application/x-mobipocket-ebook mobi;
     application/epub+zip epub;
+    # Configs
+    text/yaml yaml yml;
   }
 
   error_page 502 /error/50x.html;