diff --git a/core/grid_mscomplex_algs.cpp b/core/grid_mscomplex_algs.cpp
index f84f3dc..4349e97 100644
--- a/core/grid_mscomplex_algs.cpp
+++ b/core/grid_mscomplex_algs.cpp
@@ -633,6 +633,8 @@ inline void __collect_extrema_mfolds(mscomplex_ptr_t msc, dataset_ptr_t ds)
         //ATOMIC_INCREMENT(reinterpret_cast<LONG*>(&scp_ncells[i]));
         #ifdef _MSC_VER
         ATOMIC_INCREMENT(reinterpret_cast<LONG*>(&scp_ncells[i]));
+		#else 
+		ATOMIC_INCREMENT(&scp_ncells[i]);
         #endif
       }