diff --git a/MDANSE/Src/MDANSE/Framework/Parsers/trj.py b/MDANSE/Src/MDANSE/Framework/Parsers/trj.py
index d78ea06862..bd70474aa8 100644
--- a/MDANSE/Src/MDANSE/Framework/Parsers/trj.py
+++ b/MDANSE/Src/MDANSE/Framework/Parsers/trj.py
@@ -199,7 +199,7 @@ def _process_cell_info(self, rec: bytes):
 
     UNIT_CONV = {
         "pos": measure(1.0, "ang").toval("nm"),
-        "vel": measure(1.0, "ang/fs").toval("nm/ps"),
+        "vel": measure(1.0, "ang/ps").toval("nm/ps"),
         "force": measure(1.0, "kcal_per_mole/ang", equivalent=True).toval(
             "Da nm/ps2 mol"
         ),
diff --git a/MDANSE/Tests/UnitTests/Converted/dftb.mdt b/MDANSE/Tests/UnitTests/Converted/dftb.mdt
index d57c2b34ce..73f6197e7d 100644
Binary files a/MDANSE/Tests/UnitTests/Converted/dftb.mdt and b/MDANSE/Tests/UnitTests/Converted/dftb.mdt differ
diff --git a/MDANSE/Tests/UnitTests/Converted/forcite.mdt b/MDANSE/Tests/UnitTests/Converted/forcite.mdt
index 2e15315e4d..3fa60bec4f 100644
Binary files a/MDANSE/Tests/UnitTests/Converted/forcite.mdt and b/MDANSE/Tests/UnitTests/Converted/forcite.mdt differ