diff --git a/services/db.py b/services/db.py
index 75da0f53..f6ae551e 100644
--- a/services/db.py
+++ b/services/db.py
@@ -40,7 +40,8 @@ def before_cursor_execute(conn, cursor, statement, parameters, context, executem
 def after_cursor_execute(conn, cursor, statement, parameters, context, executemany):
     total = time.time() - conn.info['query_start_time'].pop(-1)
     stars = '*' * math.floor(total*1000)
-    logger.debug(f' {stars} {total*1000} s\n')
+    if stars:
+        logger.debug(f' {stars} {total*1000} s\n')
 
 def local_session(src=''):
     return Session(bind=engine, expire_on_commit=False)