diff --git a/dev/openmage/nginx-admin.conf b/dev/openmage/nginx-admin.conf
index debd5cbd5ce..5a8fc030b3e 100644
--- a/dev/openmage/nginx-admin.conf
+++ b/dev/openmage/nginx-admin.conf
@@ -101,7 +101,7 @@ server {
     }
     location /errors/ {
         root /var/www/html;
-        location ~* \.(!(css|jpg|jpeg|gif|png|ico|webp))$ { return 404; }
+        location ~* \.(?!(css|jpg|jpeg|gif|png|ico|webp)$)[a-z]+$ { return 404; }
     }
     location /api/ {
         rewrite ^/api/(.+?)/(.+)$ /api.php?type=$1&$args last;
diff --git a/dev/openmage/nginx-frontend.conf b/dev/openmage/nginx-frontend.conf
index 31942dc8b00..13bb34f2fcc 100644
--- a/dev/openmage/nginx-frontend.conf
+++ b/dev/openmage/nginx-frontend.conf
@@ -144,14 +144,13 @@ server {
     }
     location /errors/ {
         root /var/www/html;
-        location ~* \.(!(css|jpg|jpeg|gif|png|ico|webp))$ { return 404; }
+        location ~* \.(?!(css|jpg|jpeg|gif|png|ico|webp)$)[a-z]+$ { return 404; }
     }
 
     # Non-rewritten URLs, Admin and API are disabled for frontend
     location /index.php/ { return 404; }
     location ~ ^/admin(?:/(.*))?$ { return 404; }
     location /api/ { return 404; }
-    location /api.php { return 404; }
 
     # Clients use the frontend to call API
     #location /api {
@@ -166,8 +165,10 @@ server {
     location ~ /\. { return 404; }
 
     # Ignore the files that are needed only for Apache
+    location = /api.php { return 404; }
     location = /get.php { return 404; }
     location = /install.php { return 404; }
+    location = /index.php { return 404; }
 
     # Custom error handlers
     error_page 404 = @php-404;