diff --git a/couplage/code python/MAR2CAR_clim.py b/couplage/code python/MAR2CAR_clim.py
index 11c04ecd1cfc088e7d23e11e35f4a545815f90d1..387c2c635ddbc28f9f8627b0142d174f9201718d 100644
--- a/couplage/code python/MAR2CAR_clim.py	
+++ b/couplage/code python/MAR2CAR_clim.py	
@@ -130,7 +130,7 @@ def main_climatology(path_to_MAR):
         MAR_daily = resample(MAR_var,var)
         
         print("Group by doy")
-        MAR_clim = group_per_day(MAR_var)
+        MAR_clim = group_per_day(MAR_daily)
         
         print("Write climatology")
         write_clim(MAR_clim,lon,lat,var)