1 files changed, 4 insertions, 0 deletions
diff --git a/synmark/__main__.py b/synmark/__main__.py
index 746261a1ec..4944c2f3b0 100644
--- a/synmark/__main__.py
+++ b/synmark/__main__.py
@@ -90,6 +90,10 @@ if __name__ == "__main__":
 
     if runner.args.worker:
         if runner.args.log:
+            # sys.__stdout__ can technically be None, just exit if it's the case
+            if not sys.__stdout__:
+                exit(1)
+
             globalLogBeginner.beginLoggingTo(
                 [textFileLogObserver(sys.__stdout__)], redirectStandardIO=False
             )