diff --git a/test/ngx_confs/tnt_server_test.conf b/test/ngx_confs/tnt_server_test.conf
index bca5fe2..f0f3a2a 100644
--- a/test/ngx_confs/tnt_server_test.conf
+++ b/test/ngx_confs/tnt_server_test.conf
@@ -218,5 +218,12 @@ http {
       tnt_method update;
       tnt_pass tnt;
     }
+
+    location /unescape {
+      tnt_http_rest_methods get;
+      tnt_pass_http_request parse_args unescape;
+      tnt_method echo_1;
+      tnt_pass tnt;
+    }
    }
 }
diff --git a/test/test.lua b/test/test.lua
index 075a689..273c16c 100644
--- a/test/test.lua
+++ b/test/test.lua
@@ -38,16 +38,6 @@ function rest_api_parse_query_args(http_request_full)
   return {http_request_full}
 end
 
-box.cfg {
-    log_level = 5;
-    listen = 9999;
-    wal_mode = 'none';
-}
-
-box.once('gr', function()
-    box.schema.user.grant('guest', 'read,write,execute', 'universe')
-end)
-
 -- BUG -- https://github.com/tarantool/nginx_upstream_module/issues/37 [[
 function read(http_request_full)
     return {
@@ -140,3 +130,14 @@ function test_headers_out(req)
   end
   return true
 end
+
+-- CFG
+box.cfg {
+    log_level = 5;
+    listen = 9999;
+    wal_mode = 'none';
+}
+
+box.once('gr', function()
+    box.schema.user.grant('guest', 'read,write,execute', 'universe')
+end)
diff --git a/test/v24_features.py b/test/v24_features.py
index b4c79f4..cc66830 100755
--- a/test/v24_features.py
+++ b/test/v24_features.py
@@ -37,3 +37,13 @@
 print('[+] Headers out')
 preset_method_location = BASE_URL + '/headers_out'
 post_success(preset_method_location, {"body": True}, {})
+
+# ============
+#
+print('[+] Unescape issue')
+arg_a = 'some string with spaces'
+preset_method_location = BASE_URL + '/unescape?a=' + arg_a
+result = get_success(preset_method_location, None, {})
+result = result[0]
+assert(result['args']['a'] == arg_a), 'does not expected (args.a)'
+