diff --git a/build_database.py b/build_database.py
index 8eb933f..c500c35 100644
--- a/build_database.py
+++ b/build_database.py
@@ -192,6 +192,7 @@ async def main_with_ctx(ctx, wanted_date):
                     processed_ratio = new_processed_ratio
 
             log.info("tags done")
+            work_done = True
 
             await ctx.db.commit()
 
@@ -285,11 +286,13 @@ async def main_with_ctx(ctx, wanted_date):
                     processed_ratio = new_processed_ratio
 
             log.info("posts done")
+            work_done = True
 
             await ctx.db.commit()
 
-    log.info("vacuuming db...")
-    await ctx.db.execute("vacuum")
+    if work_done:
+        log.info("vacuuming db...")
+        await ctx.db.execute("vacuum")
     log.info("database built")