diff --git a/modules/calib3d/src/usac/dls_solver.cpp b/modules/calib3d/src/usac/dls_solver.cpp
index ca6a664504..2e866b9389 100644
--- a/modules/calib3d/src/usac/dls_solver.cpp
+++ b/modules/calib3d/src/usac/dls_solver.cpp
@@ -155,7 +155,12 @@ public:
         const auto &eigen_vectors = eigen_solver.eigenvectors();
         const auto &eigen_values = eigen_solver.eigenvalues();
 #else
+
+#if defined (ACCELERATE_NEW_LAPACK) && defined (ACCELERATE_LAPACK_ILP64)
+        long mat_order = 27, info, lda = 27, ldvl = 1, ldvr = 27, lwork = 500;
+#else
         int mat_order = 27, info, lda = 27, ldvl = 1, ldvr = 27, lwork = 500;
+#endif
         double wr[27], wi[27] = {0}; // 27 = mat_order
         std::vector<double> work(lwork), eig_vecs(729);
         char jobvl = 'N', jobvr = 'V'; // only left eigen vectors are computed
diff --git a/modules/calib3d/src/usac/essential_solver.cpp b/modules/calib3d/src/usac/essential_solver.cpp
index 6f0e6b1cfc..8f9b5b9d33 100644
--- a/modules/calib3d/src/usac/essential_solver.cpp
+++ b/modules/calib3d/src/usac/essential_solver.cpp
@@ -259,7 +259,11 @@ public:
             action_mat_data[83] = -1.0; // 8 row, 3 col
             action_mat_data[96] = -1.0; // 9 row, 6 col
 
+#if defined (ACCELERATE_NEW_LAPACK) && defined (ACCELERATE_LAPACK_ILP64)
+            long mat_order = 10, info, lda = 10, ldvl = 10, ldvr = 1, lwork = 100;
+#else
             int mat_order = 10, info, lda = 10, ldvl = 10, ldvr = 1, lwork = 100;
+#endif
             double wr[10], wi[10] = {0}, eig_vecs[100], work[100]; // 10 = mat_order, 100 = lwork
             char jobvl = 'V', jobvr = 'N'; // only left eigen vectors are computed
             OCV_LAPACK_FUNC(dgeev)(&jobvl, &jobvr, &mat_order, action_mat_data, &lda, wr, wi, eig_vecs, &ldvl,