diff --git a/tfjm/settings.py b/tfjm/settings.py
index e89c347..a817b37 100644
--- a/tfjm/settings.py
+++ b/tfjm/settings.py
@@ -206,7 +206,8 @@ HAYSTACK_CONNECTIONS = {
     }
 }
 
-HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
+HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor' if os.getenv("HAYSTACK_INDEX_NAME", None) \
+    else 'haystack.signals.BaseSignalProcessor'
 
 _db_type = os.getenv('DJANGO_DB_TYPE', 'sqlite').lower()