diff --git a/include/armadillo_bits/op_pinv_meat.hpp b/include/armadillo_bits/op_pinv_meat.hpp
index ea0ca9ff..9e67f220 100644
--- a/include/armadillo_bits/op_pinv_meat.hpp
+++ b/include/armadillo_bits/op_pinv_meat.hpp
@@ -110,7 +110,7 @@ op_pinv::apply_direct(Mat<typename T1::elem_type>& out, const Base<typename T1::
     // auxlib::inv_sympd_rcond() will fail if A isn't really positive definite or its rcond is below rcond_threshold
     }
   
-  if(do_sym && (n_rows > uword(32)))
+  if(do_sym && (n_rows > uword(40)))
     {
     arma_extra_debug_print("op_pinv: symmetric/hermitian optimisation");
     
diff --git a/include/armadillo_bits/op_rank_meat.hpp b/include/armadillo_bits/op_rank_meat.hpp
index fadf0368..2dc43d07 100644
--- a/include/armadillo_bits/op_rank_meat.hpp
+++ b/include/armadillo_bits/op_rank_meat.hpp
@@ -45,7 +45,7 @@ op_rank::apply(uword& out, const Base<typename T1::elem_type,T1>& expr, const ty
   #if defined(ARMA_OPTIMISE_SYMPD)
     bool do_sym = false;
     
-    if((auxlib::crippled_lapack(A) == false) && (A.n_rows >= uword(96)))
+    if((auxlib::crippled_lapack(A) == false) && (A.n_rows >= uword(128)))
       {
       bool is_approx_sym   = false;
       bool is_approx_sympd = false;