diff --git a/SConstruct b/SConstruct
index 0aeb382c23..edf14b4725 100644
--- a/SConstruct
+++ b/SConstruct
@@ -6,7 +6,7 @@ import platform
 import numpy as np
 
 TICI = os.path.isfile('/TICI')
-AGNOS = TICI
+AGNOS = os.path.isfile('/AGNOS')
 
 Decider('MD5-timestamp')