diff --git a/src/bag/concurrent/lsf.py b/src/bag/concurrent/lsf.py
index 1524a86..ff4d47d 100644
--- a/src/bag/concurrent/lsf.py
+++ b/src/bag/concurrent/lsf.py
@@ -103,7 +103,7 @@ async def async_new_subprocess(self,
 
         main_cmd = " ".join(args)
 
-        cmd_args = ['bsub', '-K', '-o', str(log_path), '-e', str(log_path)] + self._options + [f'"{main_cmd}"']
+        cmd_args = ['bsub', '-K', '-oo', str(log_path)] + self._options + [f'"{main_cmd}"']
         cmd = " ".join(cmd_args)
 
         async with self._semaphore: