diff --git a/Inst_eddies/inst_eddies.py.in b/Inst_eddies/inst_eddies.py.in
index 3ad320c1fc2ab34735dad78ca0ed2b840814a05c..bcf0cabfc79de61c503c1ce3fcc084f37225e2f5 100644
--- a/Inst_eddies/inst_eddies.py.in
+++ b/Inst_eddies/inst_eddies.py.in
@@ -58,10 +58,9 @@ def loop_inst_eddies(files, bbox, d, my_slice):
             if bbox:
                 xmin, xmax, ymin, ymax = bbox
                 nco_instance.ncks(nc_file, output = "cropped.nc",
-                                  options = [f"--dimension=longitude,{xmin},"
-                                             f"{xmax}",
-                                             f"--dimension=latitude,{ymin},"
-                                             f"{ymax}"])
+                                  options
+                                  = [f"--dimension=longitude,{xmin},{xmax}",
+                                     f"--dimension=latitude,{ymin},{ymax}"])
                 nc_file = "cropped.nc"
 
             nco_instance.ncpdq(nc_file, output = "unpacked.nc",