diff --git a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/FileWatcher.java b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/FileWatcher.java
index 4e9be517b011..85a570c1547f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/FileWatcher.java
+++ b/platform/platform-impl/src/com/intellij/openapi/vfs/impl/local/FileWatcher.java
@@ -184,9 +184,7 @@ public class FileWatcher {
 
     @Override
     public void notifyManualWatchRoots(@NotNull Collection<String> roots) {
-      if (!roots.isEmpty()) {
-        myManualWatchRoots.add(ContainerUtil.newHashSet(roots));
-      }
+      myManualWatchRoots.add(ContainerUtil.newHashSet(roots));
       notifyOnAnyEvent();
     }