diff --git a/lib/doorbell/log/request.lua b/lib/doorbell/log/request.lua
index 5462ec37..3a57b6e7 100644
--- a/lib/doorbell/log/request.lua
+++ b/lib/doorbell/log/request.lua
@@ -163,7 +163,7 @@ local function log_writer(premature)
     flush(true)
 
   else
-    assert(timer.at(0, "request-logger", log_writer, TIMER_OPTS))
+    timer.at(0, "request-logger", log_writer, TIMER_OPTS)
   end
 end
 
diff --git a/lib/doorbell/util/timer.lua b/lib/doorbell/util/timer.lua
index 8cf7b6e7..e18cdc46 100644
--- a/lib/doorbell/util/timer.lua
+++ b/lib/doorbell/util/timer.lua
@@ -96,6 +96,7 @@ end
 ---@param name string
 ---@param fn function
 ---@param opts? doorbell.util.timer.opts
+---@return true
 function _M.every(period, name, fn, opts)
   fn = wrapped(name, fn)
 
@@ -106,6 +107,8 @@ function _M.every(period, name, fn, opts)
 
   opts = opts or EMPTY
   assert(timer_at(0, run_every, time, name, period, fn, opts))
+
+  return true
 end
 
 
@@ -113,6 +116,7 @@ end
 ---@param name string
 ---@param fn function
 ---@param opts? doorbell.util.timer.opts
+---@return true
 function _M.at(timeout, name, fn, opts)
   fn = wrapped(name, fn)
   opts = opts or EMPTY
@@ -125,6 +129,8 @@ function _M.at(timeout, name, fn, opts)
       fn()
     end))
   end
+
+  return true
 end
 
 return _M