diff --git a/examples/potrf/pmw.h b/examples/potrf/pmw.h
index 000e5693b..0f8d75d7d 100644
--- a/examples/potrf/pmw.h
+++ b/examples/potrf/pmw.h
@@ -54,7 +54,8 @@ class PaRSECMatrixWrapper {
                       parsec_data_get_copy(pm->super.super.data_of(&pm->super.super, row, col), 0)));
     auto mb = (row < pm->super.mt - 1) ? pm->super.mb : pm->super.m - row * pm->super.mb;
     auto nb = (col < pm->super.nt - 1) ? pm->super.nb : pm->super.n - col * pm->super.nb;
-    return MatrixTile<ValueT>{mb, nb, ptr, pm->super.mb};
+    std::size_t lda = pm->super.mb;
+    return MatrixTile<ValueT>{mb, nb, ptr, lda};
   }
 
   /** Number of tiled rows **/