diff --git a/src/ich/args_in.py b/src/ich/args_in.py
index ced3f94001328bf9b8cbb9a73723d4d7c61da40b..7c2989de3ad5f85d3011191972960f38cd7c144a 100644
--- a/src/ich/args_in.py
+++ b/src/ich/args_in.py
@@ -75,7 +75,7 @@ def rvog_inverse(args):
 
 
         lidar_ht[lidar_ht==0] = np.nan
-        if args.htl==None and args.htg==None:
+        if args.htg==0 or (args.htl==None and args.htg==None):
             """ Calculating the upper limit of the heights to be estimated from the LiDAR data 
             Ceiling the upper limit to the closest multiple of 5 for the height at 99.9 percentile """
             args.htl=0