From 61be0fba1e338e47c83fb0f89968cb7400fd0f55 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Fri, 30 Dec 2011 14:59:22 +0100
Subject: [PATCH] IDEA-79502

---
 .../com/intellij/openapi/vcs/actions/AnnotateToggleAction.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AnnotateToggleAction.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AnnotateToggleAction.java
index 380b513b09c7..7c628e48a16c 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AnnotateToggleAction.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/actions/AnnotateToggleAction.java
@@ -310,7 +310,7 @@ public class AnnotateToggleAction extends ToggleAction implements DumbAware, Ann
           final int size = bgColors.size();
           bgColors.put(author, BG_COLORS[size < length ? size : size % length]);
         }
-        if (!revNumbers.containsKey(revNumber)) {
+        if (revNumber != null && !revNumbers.containsKey(revNumber)) {
           revNumbers.put(revNumber, bgColors.get(author));          
         }
     }