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-rw-r--r--src/nix-store/xmlgraph.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/nix-store/xmlgraph.cc b/src/nix-store/xmlgraph.cc
index ccb218408a8a..b6e1c1c4b873 100644
--- a/src/nix-store/xmlgraph.cc
+++ b/src/nix-store/xmlgraph.cc
@@ -33,7 +33,7 @@ static string makeNode(const string & id)
 }
 
 
-void printXmlGraph(Store & store, const PathSet & roots)
+void printXmlGraph(ref<Store> store, const PathSet & roots)
 {
     PathSet workList(roots);
     PathSet doneSet;
@@ -51,7 +51,7 @@ void printXmlGraph(Store & store, const PathSet & roots)
         cout << makeNode(path);
 
         PathSet references;
-        store.queryReferences(path, references);
+        store->queryReferences(path, references);
 
         for (PathSet::iterator i = references.begin();
              i != references.end(); ++i)