diff --git a/src/Timer/Timers.php b/src/Timer/Timers.php
index 70adc132..87f8331a 100644
--- a/src/Timer/Timers.php
+++ b/src/Timer/Timers.php
@@ -58,10 +58,7 @@ public function cancel(TimerInterface $timer)
     public function getFirst()
     {
         // ensure timers are sorted to simply accessing next (first) one
-        if (!$this->sorted) {
-            $this->sorted = true;
-            \asort($this->schedule);
-        }
+        $this->ensureTimerAreSorted();
 
         return \reset($this->schedule);
     }
@@ -74,10 +71,7 @@ public function isEmpty()
     public function tick()
     {
         // ensure timers are sorted so we can execute in order
-        if (!$this->sorted) {
-            $this->sorted = true;
-            \asort($this->schedule);
-        }
+        $this->ensureTimerAreSorted();
 
         $time = $this->updateTime();
 
@@ -104,4 +98,12 @@ public function tick()
             }
         }
     }
+
+    private function ensureTimerAreSorted()
+    {
+        if (!$this->sorted) {
+            $this->sorted = true;
+            \asort($this->schedule);
+        }
+    }
 }