diff --git a/otp/ai/AIBase.py b/otp/ai/AIBase.py
index c9ff8c7..0e44837 100644
--- a/otp/ai/AIBase.py
+++ b/otp/ai/AIBase.py
@@ -24,7 +24,7 @@ class AIBase:
         __builtins__['__dev__'] = self.config.GetBool('want-dev', 0)
         __builtins__['__astron__'] = self.config.GetBool('astron-support', 1)
         __builtins__['__execWarnings__'] = self.config.GetBool('want-exec-warnings', 0)
-        logStackDump = (self.config.GetBool('log-stack-dump', (not __dev__)) or self.config.GetBool('ai-log-stack-dump', (not __dev__)))
+        logStackDump = (self.config.GetBool('log-stack-dump', (not __debug__)) or self.config.GetBool('ai-log-stack-dump', (not __debug__)))
         uploadStackDump = self.config.GetBool('upload-stack-dump', 0)
         if logStackDump or uploadStackDump:
             ExceptionVarDump.install(logStackDump, uploadStackDump)