diff --git a/include/scalapackpp/block_cyclic_matrix.hpp b/include/scalapackpp/block_cyclic_matrix.hpp
index 20f797c..691b0c8 100644
--- a/include/scalapackpp/block_cyclic_matrix.hpp
+++ b/include/scalapackpp/block_cyclic_matrix.hpp
@@ -65,8 +65,8 @@ class BlockCyclicMatrix {
   inline auto n_local() const { return N_local_;    }
   inline auto mb()      const { return dist_.mb();  }
   inline auto nb()      const { return dist_.nb();  }
-  inline auto isrc()    const { return dist_.isrc_; }
-  inline auto jsrc()    const { return dist_.jsrc_; }
+  inline auto isrc()    const { return dist_.isrc(); }
+  inline auto jsrc()    const { return dist_.jsrc(); }
 
   inline auto& desc() const { return desc_; }
   inline auto  data() const { return local_data_.data(); }
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fc55e72..861299d 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -8,7 +8,7 @@ if( NOT TARGET blacspp::blacspp )
     include( FetchContent )
     FetchContent_Declare( blacspp
       GIT_REPOSITORY https://github.com/wavefunction91/blacspp.git
-      GIT_TAG        1b7f70286081f8909502312b6e54df616788b5d5
+      GIT_TAG        b87b02bc2cb5ba86b3df690dd89bf0df695a3437 
     )
     FetchContent_MakeAvailable( blacspp )
 
diff --git a/src/information.cxx b/src/information.cxx
index 0564a73..8f154e7 100644
--- a/src/information.cxx
+++ b/src/information.cxx
@@ -43,7 +43,7 @@ int64_t local_row_from_desc( int64_t M, const scalapack_desc& desc ) {
   const auto RSRC_A = desc[internal::_RSRC_A];
 
   auto grid_dim = blacspp::wrappers::grid_info( ICXT_A );
-  return numroc( M, MB_A, RSRC_A, grid_dim.my_row, grid_dim.np_row );
+  return numroc( M, MB_A, grid_dim.my_row, RSRC_A, grid_dim.np_row );
 }
 
 int64_t local_col_from_desc( int64_t N, const scalapack_desc& desc ) {
@@ -53,7 +53,7 @@ int64_t local_col_from_desc( int64_t N, const scalapack_desc& desc ) {
   const auto CSRC_A = desc[internal::_CSRC_A];
 
   auto grid_dim = blacspp::wrappers::grid_info( ICXT_A );
-  return numroc( N, NB_A, CSRC_A, grid_dim.my_col, grid_dim.np_col );
+  return numroc( N, NB_A, grid_dim.my_col, CSRC_A, grid_dim.np_col );
 }