diff --git a/src/mdevaluate/distribution.py b/src/mdevaluate/distribution.py
index 44ad500..847d005 100644
--- a/src/mdevaluate/distribution.py
+++ b/src/mdevaluate/distribution.py
@@ -306,7 +306,7 @@ def next_neighbor_distribution(
     )[1]
     resname_nn = reference.residue_names[nn]
     count_nn = (resname_nn == atoms.residue_names.reshape(-1, 1)).sum(axis=1)
-    return np.histogram(count_nn, bins=bins, normed=normed)[0]
+    return np.histogram(count_nn, bins=bins, density=normed)[0]
 
 
 def hbonds(