diff --git a/TIFoundationUtils/Sources/TITimer/Sources/TITimer/TITimer.swift b/TIFoundationUtils/Sources/TITimer/Sources/TITimer/TITimer.swift
index cdef7749..fe89c6f3 100644
--- a/TIFoundationUtils/Sources/TITimer/Sources/TITimer/TITimer.swift
+++ b/TIFoundationUtils/Sources/TITimer/Sources/TITimer/TITimer.swift
@@ -155,7 +155,9 @@ private extension TITimer {
     func startDispatchSourceTimer(interval: TimeInterval, queue: DispatchQueue) -> Invalidatable? {
         let timer = DispatchSource.makeTimerSource(flags: [], queue: queue)
         timer.schedule(deadline: .now() + interval, repeating: interval)
-        timer.setEventHandler(handler: handleSourceUpdate)
+        timer.setEventHandler() { [weak self] in
+            self?.handleSourceUpdate()
+        }
         
         timer.resume()