diff --git a/Abstracts/FileWatcher.php b/Abstracts/FileWatcher.php
index 700758f..8bf537a 100644
--- a/Abstracts/FileWatcher.php
+++ b/Abstracts/FileWatcher.php
@@ -183,12 +183,12 @@ class FileWatcher extends AbstractProcess implements OnProcessInterface
 		$this->fswatchPipes = [];
 		$this->stopFswatchProcess();
 
-		if ($this->pollTimer) {
+		if ($this->pollTimer > 0) {
 			Timer::clear($this->pollTimer);
 			$this->pollTimer = -1;
 		}
 
-		if ($this->debounceTimer) {
+		if ($this->debounceTimer > 0) {
 			Timer::clear($this->debounceTimer);
 			$this->debounceTimer = -1;
 		}
@@ -267,7 +267,7 @@ class FileWatcher extends AbstractProcess implements OnProcessInterface
 			return;
 		}
 
-		if ($this->debounceTimer) {
+		if ($this->debounceTimer > 0) {
 			Timer::clear($this->debounceTimer);
 		}
 
@@ -276,7 +276,7 @@ class FileWatcher extends AbstractProcess implements OnProcessInterface
 		$delay   = max($this->debounceMs, $this->minReloadIntervalMs - $elapsed);
 
 		$this->debounceTimer = Timer::after($delay, function () use ($changedFiles) {
-			$this->debounceTimer = null;
+			$this->debounceTimer = -1;
 			$this->reload($changedFiles);
 		});
 	}