diff --git a/xfel_calibrate/calibrate.py b/xfel_calibrate/calibrate.py
index c8063418fbf73628a3827101b51117304211dbe1..9f594817e62affd8dd124a1a0bc6cb81795c484c 100755
--- a/xfel_calibrate/calibrate.py
+++ b/xfel_calibrate/calibrate.py
@@ -443,7 +443,7 @@ def concurrent_run(temp_path, nb, nbname, args, cparm=None, cval=None,
         else:
             this_res = reservation if priority == 1 else reservation_char
             srun_base = launcher_command.format(
-                temp_path=temp_path) + " --reservation={}".format(reservation)
+                temp_path=temp_path) + " --reservation={}".format(this_res)
             srun_base = srun_base.split()
             print(" ".join(srun_base))
     else: