diff --git a/src/libstore/local-store.cc b/src/libstore/local-store.cc
index 87d6e6a944..333feb2a5f 100644
--- a/src/libstore/local-store.cc
+++ b/src/libstore/local-store.cc
@@ -297,7 +297,7 @@ LocalStore::LocalStore(bool reserveSpace)
         curSchema = getSchema();
 
         if (curSchema < 6) upgradeStore6();
-        else if (curSchema < 7) upgradeStore7();
+        else if (curSchema < 7) { upgradeStore7(); openDB(true); }
 
         writeFile(schemaPath, (format("%1%") % nixSchemaVersion).str());