diff --git a/src/mdevaluate/correlation.py b/src/mdevaluate/correlation.py
index 862f43d..c6a2cbd 100644
--- a/src/mdevaluate/correlation.py
+++ b/src/mdevaluate/correlation.py
@@ -264,8 +264,8 @@ def van_hove_self(
     else:
         raise ValueError('Parameter axis has to be ether "all", "x", "y", or "z"!')
     hist = np.histogram(delta_r, bins, range=(bins[0], bins[-1]))[0]
-    r = (bins[1:] + bins[:-1]) / 2
-    return r, hist / len(start_frame)
+    hist = hist / (bins[1:] - bins[:-1])
+    return hist / len(start_frame)
 
 
 def van_hove_distinct(