diff --git a/lib/resty/healthcheck.lua b/lib/resty/healthcheck.lua
index 77390a6..940b0c4 100644
--- a/lib/resty/healthcheck.lua
+++ b/lib/resty/healthcheck.lua
@@ -891,7 +891,7 @@ end
 -- Runs a single healthcheck probe
 function checker:run_single_check(ip, port, hostname, hostheader)
   if self.checks.active.type == "xrpc" then
-    local ok, status = self.checks.active.handler({
+    local ok, status = self.checks.active.xrpc_handler({
       host = ip,
       port = port,
       domain = hostname,
@@ -1327,7 +1327,7 @@ local defaults = {
       concurrency = 10,
       http_path = "/",
       https_verify_certificate = true,
-      handler = NO_DEFAULT,
+      xrpc_handler = NO_DEFAULT,
       xrpc_conf = {},
       healthy = {
         interval = 0, -- 0 = disabled by default
@@ -1456,7 +1456,7 @@ function _M.new(opts)
   end
 
   if self.checks.active.type == "xrpc" then
-    assert(self.checks.active.handler, "required option 'checks.active.handler' is missing")
+    assert(self.checks.active.xrpc_handler, "required option 'checks.active.xrpc_handler' is missing")
     assert(self.checks.active.unhealthy.failures < 255, "checks.active.unhealthy.tcp_failures must be at most 254")
   end
 
diff --git a/t/report_xrpc_status.t b/t/report_xrpc_status.t
index 9fac115..e3df50d 100644
--- a/t/report_xrpc_status.t
+++ b/t/report_xrpc_status.t
@@ -51,7 +51,7 @@ qq{
                             statuses = { 500 },
                             failures = 2,
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     },
                 },
             })
@@ -110,7 +110,7 @@ qq{
                             failures = 3,
 
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     },
                 },
             })
@@ -171,7 +171,7 @@ qq{
                             tcp_failures = 2,
                             failures = 3,
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     }
                 },
 
@@ -231,7 +231,7 @@ qq{
                             tcp_failures = 2,
                             failures = 0,
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     },
                 },
             })
@@ -289,7 +289,7 @@ qq{
                             interval = 999, -- we don't want active checks
                             failures = 3,
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     },
                 },
 
@@ -363,7 +363,7 @@ qq{
                             statuses = { 501 },
                             failures = 2,
                         },
-                        handler = function(node, conf)end
+                        xrpc_handler = function(node, conf)end
                     },
                 },
 
@@ -407,8 +407,7 @@ event: target status '(127.0.0.1:2119)' from 'false' to 'true'
 
 
 
-=== TEST 7: start xrpc healthcheck with active.unhealthy.failures == 4 and active.health.successes == 2
---- ONLY
+=== TEST 7: start xrpc healthcheck with active.unhealthy.failures == 2 and active.health.successes == 2
 --- http_config eval
 qq{
     $::HttpConfig
@@ -459,7 +458,7 @@ qq{
                             interval = 0.5, -- we don't want active checks
                             failures = 2,
                         },
-                        handler = function(node, conf)
+                        xrpc_handler = function(node, conf)
                             local http = require('resty.http')
                             local httpc = http.new()
                             local res, err = httpc:request_uri("http://127.0.0.1:2119/status", {
@@ -478,9 +477,9 @@ qq{
             checker:add_target("127.0.0.1", 2119, nil, true)
             ngx.sleep(0.5)
             ngx.say(checker:get_target_status("127.0.0.1", 2119, nil))  -- true
-            ngx.sleep(2.0)
+            ngx.sleep(3.1)
             ngx.say(checker:get_target_status("127.0.0.1", 2119, nil))  -- false
-            ngx.sleep(4.0)
+            ngx.sleep(4.2)
             ngx.say(checker:get_target_status("127.0.0.1", 2119, nil))  -- true
         }
     }