diff --git a/kong/clustering/rpc/manager.lua b/kong/clustering/rpc/manager.lua
index 6ab7696fd66..5d614997567 100644
--- a/kong/clustering/rpc/manager.lua
+++ b/kong/clustering/rpc/manager.lua
@@ -182,12 +182,13 @@ function _M:call(node_id, method, ...)
   if res == "local" then
     res, err = self:_local_call(node_id, method, params)
 
-    ngx_log(ngx_DEBUG, "[rpc] ", method, " err: ", err)
-
     if not res then
+      ngx_log(ngx_DEBUG, "[rpc] ", method, " failed, err: ", err)
       return nil, err
     end
 
+    ngx_log(ngx_DEBUG, "[rpc] ", method, " succeeded")
+
     return res
   end
 
@@ -199,16 +200,20 @@ function _M:call(node_id, method, ...)
 
   local ok, err = fut:wait(5)
 
-  ngx_log(ngx_DEBUG, "[rpc] ", method, " err: ", err)
-
   if err then
+    ngx_log(ngx_DEBUG, "[rpc] ", method, " failed, err: ", err)
+
     return nil, err
   end
 
   if ok then
+    ngx_log(ngx_DEBUG, "[rpc] ", method, " succeeded")
+
     return fut.result
   end
 
+  ngx_log(ngx_DEBUG, "[rpc] ", method, " failed, err: ", fut.error.message)
+
   return nil, fut.error.message
 end