1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstore/gc.cc b/src/libstore/gc.cc
index dc1de48ea605..4a025a8feb92 100644
--- a/src/libstore/gc.cc
+++ b/src/libstore/gc.cc
@@ -740,6 +740,9 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
         printMsg(lvlError, format("deleting unused links..."));
         removeUnusedLinks(state);
     }
+
+    /* While we're at it, vacuum the database. */
+    if (options.action == GCOptions::gcDeleteDead) vacuumDB();
 }