diff --git a/tests/events/stopwatch.cpp b/tests/events/stopwatch.cpp
index 3150fde719..a3827877b6 100644
--- a/tests/events/stopwatch.cpp
+++ b/tests/events/stopwatch.cpp
@@ -29,7 +29,7 @@
 namespace
 {
 
-const long tolerance = 10;  // in ms
+const long tolerance = 50;  // in ms
 const int sleepTime = 500;
 
 } // anonymous namespace