diff --git a/src/BioHelpers_FABER.egg-info/PKG-INFO b/src/BioHelpers_FABER.egg-info/PKG-INFO
index 2e6d88804aa2e5fec4395b41d8006ca76663c396..3e4120816f8a8ede1a035acccd91a34b7677f4a5 100644
--- a/src/BioHelpers_FABER.egg-info/PKG-INFO
+++ b/src/BioHelpers_FABER.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 2.1
 Name: BioHelpers-FABER
-Version: 0.2.9
+Version: 0.2.10
 Summary: Small collection of useful scripts for the computational work with RNA Data.
 Home-page: https://gitlab.jsc.fz-juelich.de/faber1/biohelpers
 Author: Christian Faber
diff --git a/src/BioHelpers_FABER/rmsd.py b/src/BioHelpers_FABER/rmsd.py
index 84ed0550b851daa873902abeaaf1e632af1865d6..94face18512fca77c970c6a5078f6c705d882201 100644
--- a/src/BioHelpers_FABER/rmsd.py
+++ b/src/BioHelpers_FABER/rmsd.py
@@ -118,7 +118,7 @@ def rmsd_from_rot_tran(
     :rtype: float
     """
     num_vec = x.shape[1]
-    intermediate = np.matmul(rot, x) + trans[:, np.newaxis] + y
+    intermediate = np.matmul(rot, x) + trans[:, np.newaxis] - y
     squared = np.trace(np.matmul(np.transpose(intermediate), intermediate)) / num_vec
     return np.sqrt(squared)