diff --git a/django_probes/management/commands/wait_for_database.py b/django_probes/management/commands/wait_for_database.py
index 3a85b8c..d96c555 100644
--- a/django_probes/management/commands/wait_for_database.py
+++ b/django_probes/management/commands/wait_for_database.py
@@ -28,7 +28,7 @@ def wait_for_database(**opts):
         # loop until we have a database connection or we run into a timeout
         while True:
             try:
-                connection.cursor().execute('SELECT')
+                connection.cursor().execute('SELECT 1')
                 if not conn_alive_start:
                     conn_alive_start = time()
                 break