diff --git a/bin/breadmixer.py b/bin/breadmixer.py
index 97da15f..190c4b6 100644
--- a/bin/breadmixer.py
+++ b/bin/breadmixer.py
@@ -42,7 +42,7 @@ mydb = mysql.connector.connect(
 
 cursor = mydb.cursor()
 
-cursor.execute("SELECT call_start_time FROM call_states WHERE call_id = %d", [int(args.callid)])
+cursor.execute("SELECT call_start_time FROM call_states WHERE call_id = %s", [args.callid])
 
 call_start_time = cursor.fetchall()