diff --git a/src/molecule.py b/src/molecule.py
index 644b05dfd..ef3fb54dd 100644
--- a/src/molecule.py
+++ b/src/molecule.py
@@ -3170,7 +3170,7 @@ def read_dcd(self, fnm, **kwargs):
             elif result == -1:
                 break
             #npa    = np.array(xyzvec)
-            xyz    = np.asfarray(xyzvec)
+            xyz    = np.asarray(xyzvec, dtype=float)
             xyzs.append(xyz.reshape(-1, 3))
             boxes.append(BuildLatticeFromLengthsAngles(ts.A, ts.B, ts.C, 90.0, 90.0, 90.0))
         _dcdlib.close_file_read(dcd)