diff --git a/plugins/git4idea/src/git4idea/ui/branch/GitMultiRootBranchConfig.java b/plugins/git4idea/src/git4idea/ui/branch/GitMultiRootBranchConfig.java
index 4d5c1ee94cc1..bc39ea6133de 100644
--- a/plugins/git4idea/src/git4idea/ui/branch/GitMultiRootBranchConfig.java
+++ b/plugins/git4idea/src/git4idea/ui/branch/GitMultiRootBranchConfig.java
@@ -152,19 +152,20 @@ public class GitMultiRootBranchConfig {
 
   @NotNull
   private Collection<String> getCommonBranches(boolean local) {
-    Collection<String> commonLocal = null;
+    Collection<String> commonBranches = null;
     for (GitRepository repository : myRepositories) {
       GitBranchesCollection branchesCollection = repository.getBranches();
       Collection<GitBranch> branches = local ? branchesCollection.getLocalBranches() : branchesCollection.getRemoteBranches();
-      if (commonLocal == null) {
-        commonLocal = GitUtil.getBranchNames(branches);
-      } else {
-        commonLocal.retainAll(GitUtil.getBranchNames(branches));
+      if (commonBranches == null) {
+        commonBranches = GitUtil.getBranchNames(branches);
+      }
+      else {
+        commonBranches.retainAll(GitUtil.getBranchNames(branches));
       }
     }
 
-    if (commonLocal != null) {
-      ArrayList<String> common = new ArrayList<String>(commonLocal);
+    if (commonBranches != null) {
+      ArrayList<String> common = new ArrayList<String>(commonBranches);
       Collections.sort(common);
       return common;
     }