diff --git a/grl/utils/loss.py b/grl/utils/loss.py
index 8979663d..c40bcedc 100644
--- a/grl/utils/loss.py
+++ b/grl/utils/loss.py
@@ -77,12 +77,17 @@ def weight_and_sum_discrep_loss(diff: jnp.ndarray,
         unweighted_err = (diff**2)
     elif error_type == 'abs':
         unweighted_err = jnp.abs(diff)
+    elif error_type == 'max':
+        unweighted_err = jnp.max(jnp.abs(diff), keepdims=True)
     else:
         raise NotImplementedError(f"Error {error_type} not implemented yet in mem_loss fn.")
 
-    weighted_err = weight * unweighted_err
-    if value_type == 'q':
-        weighted_err = weighted_err.sum(axis=0)
+    if error_type == 'max':
+        weighted_err = unweighted_err
+    else:
+        weighted_err = weight * unweighted_err
+        if value_type == 'q':
+            weighted_err = weighted_err.sum(axis=0)
 
     loss = weighted_err.sum()
     return loss