diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogTabsWatcher.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogTabsWatcher.java
index efc7f7e5938e..e1b9a20766ba 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogTabsWatcher.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/VcsLogTabsWatcher.java
@@ -98,8 +98,10 @@ public class VcsLogTabsWatcher implements Disposable {
 
   @NotNull
   public Set<String> getTabNames() {
-    return myRefresher.getLogWindows().stream().filter(w -> w instanceof VcsLogTab).
-      map(w -> ((VcsLogTab)w).myTabName).collect(Collectors.toSet());
+    return myRefresher.getLogWindows().stream()
+      .filter(VcsLogTab.class::isInstance)
+      .map(w -> ((VcsLogTab)w).myTabName)
+      .collect(Collectors.toSet());
   }
 
   public class VcsLogTab extends PostponableLogRefresher.VcsLogWindow {