diff --git a/include/armadillo_bits/newarp_SparseGenRealShiftSolve_meat.hpp b/include/armadillo_bits/newarp_SparseGenRealShiftSolve_meat.hpp
index 5755af24..ea206186 100644
--- a/include/armadillo_bits/newarp_SparseGenRealShiftSolve_meat.hpp
+++ b/include/armadillo_bits/newarp_SparseGenRealShiftSolve_meat.hpp
@@ -28,6 +28,9 @@ SparseGenRealShiftSolve<eT>::SparseGenRealShiftSolve(const SpMat<eT>& mat_obj, c
     , perm_r(mat_obj.n_rows + 1)
     , n_rows(mat_obj.n_rows)
     , n_cols(mat_obj.n_cols)
+  #else
+    : n_rows(0)
+    , n_cols(0)
   #endif
   {
   arma_extra_debug_sigprint();