diff --git a/deployment/bare_metal/nginx/sites-available/gradido.conf.ssl.template b/deployment/bare_metal/nginx/sites-available/gradido.conf.ssl.template
index a2b9ec900..acb831661 100644
--- a/deployment/bare_metal/nginx/sites-available/gradido.conf.ssl.template
+++ b/deployment/bare_metal/nginx/sites-available/gradido.conf.ssl.template
@@ -66,7 +66,7 @@ server {
     }
 
     # Legacy URLS
-    set REWRITE_LEGACY_URLS = $NGINX_REWRITE_LEGACY_URLS;
+    set REWRITE_LEGACY_URLS = "$NGINX_REWRITE_LEGACY_URLS";
     if( $REWRITE_LEGACY_URLS = 'true' ){
         rewrite ^/vue$1 /$1 permanent;
     }
diff --git a/deployment/bare_metal/nginx/sites-available/gradido.conf.template b/deployment/bare_metal/nginx/sites-available/gradido.conf.template
index f523a0b81..0b02b4a01 100644
--- a/deployment/bare_metal/nginx/sites-available/gradido.conf.template
+++ b/deployment/bare_metal/nginx/sites-available/gradido.conf.template
@@ -51,7 +51,7 @@ server {
     }
 
     # Legacy URLS
-    set REWRITE_LEGACY_URLS = $NGINX_REWRITE_LEGACY_URLS;
+    set REWRITE_LEGACY_URLS = "$NGINX_REWRITE_LEGACY_URLS";
     if( $REWRITE_LEGACY_URLS = 'true' ){
         rewrite ^/vue$1 /$1 permanent;
     }