diff --git a/utils/observation_utils.py b/utils/observation_utils.py
index 5e01121fe84c24d8d5a46d92bb30578e1dcda2b0..4c4efa2405a01499d067e68cd1e305f40a6e11a7 100644
--- a/utils/observation_utils.py
+++ b/utils/observation_utils.py
@@ -31,7 +31,7 @@ def min_lt(seq, val):
     return min
 
 
-def norm_obs_clip(obs, clip_min=-1, clip_max=1):
+def norm_obs_clip(obs, clip_min=-1, clip_max=1, fixed_radius=0):
     """
     This function returns the difference between min and max value of an observation
     :param obs: Observation that should be normalized
@@ -39,8 +39,12 @@ def norm_obs_clip(obs, clip_min=-1, clip_max=1):
     :param clip_max: max value where observation will be clipped
     :return: returnes normalized and clipped observatoin
     """
-    max_obs = max(1, max_lt(obs, 1000))
-    min_obs = min(max_obs, min_lt(obs, 0))
+    if fixed_radius > 0:
+        max_obs = fixed_radius
+    else:
+        max_obs = max(1, max_lt(obs, 1000)) + 1
+
+    min_obs = 0  # min(max_obs, min_lt(obs, 0))
 
     if max_obs == min_obs:
         return np.clip(np.array(obs) / max_obs, clip_min, clip_max)