diff --git a/CHANGELOG b/CHANGELOG
index 2d02e3d..93b5f57 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 # dev
 
-- n/a
+- Repeat watchers in LibeventReactor internally were handled in
+  microsecond intervals instead of milliseconds.
 
 ### 1.0.3
 
diff --git a/lib/LibeventReactor.php b/lib/LibeventReactor.php
index 72f146c..c7f0045 100644
--- a/lib/LibeventReactor.php
+++ b/lib/LibeventReactor.php
@@ -298,10 +298,11 @@ class LibeventReactor implements Reactor {
      */
     public function repeat(callable $callback, $msInterval, array $options = []) {
         assert(($msInterval >= 0), "\$msInterval at Argument 2 expects integer >= 0");
+        $msInterval *= 1000;
         if (isset($options["ms_delay"])) {
             $msDelay = (int) $options["ms_delay"];
             assert(($msDelay >= 0), "ms_delay option expects integer >= 0");
-            $msDelay = ($msDelay * 1000);
+            $msDelay *= 1000;
         } else {
             $msDelay = $msInterval;
         }