diff --git a/src/pymatgen/symmetry/analyzer.py b/src/pymatgen/symmetry/analyzer.py
index db2687ccf73..f20fd187820 100644
--- a/src/pymatgen/symmetry/analyzer.py
+++ b/src/pymatgen/symmetry/analyzer.py
@@ -77,7 +77,7 @@ def _get_symmetry_dataset(cell, symprec, angle_tolerance):
     """
     dataset = spglib.get_symmetry_dataset(cell, symprec=symprec, angle_tolerance=angle_tolerance)
     if dataset is None:
-        raise SymmetryUndeterminedError
+        raise SymmetryUndeterminedError(spglib.get_error_message())
     return dataset