diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/VcsLogGraphTable.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/VcsLogGraphTable.java
index d02cb34b88ba..4c8b631dd2ba 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/VcsLogGraphTable.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/VcsLogGraphTable.java
@@ -91,7 +91,7 @@ public class VcsLogGraphTable extends TableWithProgress implements DataProvider,
   @NotNull private final TableCellRenderer myDummyRenderer = new DefaultTableCellRenderer();
   @NotNull private final GraphCommitCellRenderer myGraphCommitCellRenderer;
   @NotNull private final GraphTableController myController;
-  private final StringCellRenderer myStringCellRenderer;
+  @NotNull private final StringCellRenderer myStringCellRenderer;
   private boolean myColumnsSizeInitialized = false;
 
   @Nullable private Selection mySelection = null;