diff --git a/config/nginx/onlyoffice.conf b/config/nginx/onlyoffice.conf
index d90d9c0798..847e71452a 100644
--- a/config/nginx/onlyoffice.conf
+++ b/config/nginx/onlyoffice.conf
@@ -378,4 +378,28 @@ server {
 		rewrite /healthchecks/(.*)$ /$1 break;
 		proxy_pass http://127.0.0.1:5033;
     }
+
+	error_page 401 /custom_401.html;
+    location = /custom_401.html {
+        root /etc/nginx/html;
+        internal;
+    }
+
+	error_page 403 /custom_403.html;
+    location = /custom_403.html {
+        root /etc/nginx/html;
+        internal;
+    }
+
+	error_page 404 /custom_404.html;
+    location = /custom_404.html {
+        root /etc/nginx/html;
+        internal;
+    }
+
+    error_page 500 502 503 504 /custom_50x.html;
+    location = /custom_50x.html {
+        root /etc/nginx/html;
+        internal;
+    }
 }
diff --git a/install/docker/Dockerfile.runtime b/install/docker/Dockerfile.runtime
index 82d173e402..1a8a023bb2 100644
--- a/install/docker/Dockerfile.runtime
+++ b/install/docker/Dockerfile.runtime
@@ -15,6 +15,7 @@ RUN find config/ -maxdepth 1 -name "*.json" | grep -v test | grep -v dev | xargs
     tar -C "/app/onlyoffice/" -xvf config.tar && \
     cp config/*.config /app/onlyoffice/config/ && \
     mkdir -p /etc/nginx/conf.d && cp -f config/nginx/onlyoffice*.conf /etc/nginx/conf.d/ && \
+    mkdir -p /etc/nginx/html && cp -f config/nginx/html/* /etc/nginx/html/ && \
     mkdir -p /etc/nginx/includes/ && cp -f config/nginx/includes/onlyoffice*.conf /etc/nginx/includes/ && \
     sed -i "s/\"number\".*,/\"number\": \"${PRODUCT_VERSION}.${BUILD_NUMBER}\",/g" /app/onlyoffice/config/appsettings.json && \
     sed -e 's/#//' -i /etc/nginx/conf.d/onlyoffice.conf
@@ -92,6 +93,7 @@ RUN apt-get -y update && \
 
 # copy static services files and config values 
 COPY --from=base /etc/nginx/conf.d /etc/nginx/conf.d
+COPY --from=base /etc/nginx/html /etc/nginx/html
 
 COPY /buildtools/install/docker/config/nginx/docker-entrypoint.sh /docker-entrypoint.sh
 COPY /buildtools/install/docker/config/nginx/docker-entrypoint.d /docker-entrypoint.d