diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.kt b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.kt
index 74d1f2215f59..c5066a0687ef 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.kt
+++ b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.kt
@@ -568,7 +568,7 @@ class FileWatcherTest : BareTestFixtureTestCase() {
     alarm.cancelAllRequests()
     resetHappened.set(false)
 
-    TimeoutUtil.sleep(50)
+    if (SystemInfo.isWindows) TimeoutUtil.sleep(250)
     action()
     LOG.debug("** action performed")