diff --git a/include/armadillo_bits/Cube_meat.hpp b/include/armadillo_bits/Cube_meat.hpp
index e9de1e22..d4d97feb 100644
--- a/include/armadillo_bits/Cube_meat.hpp
+++ b/include/armadillo_bits/Cube_meat.hpp
@@ -615,7 +615,7 @@ Cube<eT>::get_mat_ptr(const uword in_slice) const
   
   #if defined(ARMA_USE_OPENMP)
     {
-    #pragma omp atomic read
+    #pragma omp atomic read seq_cst
     mat_ptr = mat_ptrs[in_slice];
     }
   #elif defined(ARMA_USE_STD_MUTEX)
@@ -634,12 +634,12 @@ Cube<eT>::get_mat_ptr(const uword in_slice) const
       {
       #pragma omp critical (arma_Cube_mat_ptrs)
         {
-        #pragma omp atomic read
+        #pragma omp atomic read seq_cst
         mat_ptr = mat_ptrs[in_slice];
         
         if(mat_ptr == nullptr)  { mat_ptr = create_mat_ptr(in_slice); }
         
-        #pragma omp atomic write
+        #pragma omp atomic write seq_cst
         mat_ptrs[in_slice] = mat_ptr;
         }
       }
diff --git a/include/armadillo_bits/arma_forward.hpp b/include/armadillo_bits/arma_forward.hpp
index 20ee5032..8c9fed7b 100644
--- a/include/armadillo_bits/arma_forward.hpp
+++ b/include/armadillo_bits/arma_forward.hpp
@@ -312,7 +312,7 @@ struct state_type
     int out;
     
     #if   defined(ARMA_USE_OPENMP)
-      #pragma omp atomic read
+      #pragma omp atomic read seq_cst
       out = state;
     #elif defined(ARMA_USE_STD_MUTEX)
       out = state.load();
@@ -328,7 +328,7 @@ struct state_type
   operator= (const int in_state)
     {
     #if   defined(ARMA_USE_OPENMP)
-      #pragma omp atomic write
+      #pragma omp atomic write seq_cst
       state = in_state;
     #elif defined(ARMA_USE_STD_MUTEX)
       state.store(in_state);