diff --git a/src/py/mat3ra/made/tools/analyze/interface/zsl.py b/src/py/mat3ra/made/tools/analyze/interface/zsl.py
index d4b7cbe3..956754a3 100644
--- a/src/py/mat3ra/made/tools/analyze/interface/zsl.py
+++ b/src/py/mat3ra/made/tools/analyze/interface/zsl.py
@@ -194,15 +194,15 @@ def _calculate_and_reduce_supercell_matrices(
         return film_supercell_matrix, substrate_supercell_matrix, area
 
     def _calculate_strain(self, film_sl_supercell_vectors, substrate_sl_supercell_vectors):
-        film_det = np.linalg.det(film_sl_supercell_vectors)
-        substrate_det = np.linalg.det(substrate_sl_supercell_vectors)
+        # film_det = np.linalg.det(film_sl_supercell_vectors)
+        # substrate_det = np.linalg.det(substrate_sl_supercell_vectors)
 
         # Handle cases where lattices match but are oriented in opposite directions (e.g., 180° rotation).
         # This keeps the right-handed system for the strain calculation.
         # The strain calculation uses vector magnitudes, so we need consistent orientation to avoid artificial strain
-        if (film_det > 0) != (substrate_det > 0):
-            film_sl_supercell_vectors = film_sl_supercell_vectors.copy()
-            film_sl_supercell_vectors[1] = -film_sl_supercell_vectors[1]
+        # if (film_det > 0) != (substrate_det > 0):
+        #     film_sl_supercell_vectors = film_sl_supercell_vectors.copy()
+        #     film_sl_supercell_vectors[1] = -film_sl_supercell_vectors[1]
 
         real_strain_matrix = np.linalg.solve(film_sl_supercell_vectors, substrate_sl_supercell_vectors)
         real_strain_matrix = convert_2x2_to_3x3(real_strain_matrix.tolist())