diff --git a/sys/sys/buf_ring.h b/sys/sys/buf_ring.h
--- a/sys/sys/buf_ring.h
+++ b/sys/sys/buf_ring.h
@@ -94,7 +94,7 @@
 			}
 			continue;
 		}
-	} while (!atomic_cmpset_acq_int(&br->br_prod_head, prod_head, prod_next));
+	} while (!atomic_cmpset_acq_32(&br->br_prod_head, prod_head, prod_next));
 #ifdef DEBUG_BUFRING
 	if (br->br_ring[prod_head] != NULL)
 		panic("dangling value in enqueue");
@@ -108,7 +108,7 @@
 	 */   
 	while (br->br_prod_tail != prod_head)
 		cpu_spinwait();
-	atomic_store_rel_int(&br->br_prod_tail, prod_next);
+	atomic_store_rel_32(&br->br_prod_tail, prod_next);
 	critical_exit();
 	return (0);
 }
@@ -132,7 +132,7 @@
 			critical_exit();
 			return (NULL);
 		}
-	} while (!atomic_cmpset_acq_int(&br->br_cons_head, cons_head, cons_next));
+	} while (!atomic_cmpset_acq_32(&br->br_cons_head, cons_head, cons_next));
 
 	buf = br->br_ring[cons_head];
 #ifdef DEBUG_BUFRING
@@ -146,7 +146,7 @@
 	while (br->br_cons_tail != cons_head)
 		cpu_spinwait();
 
-	atomic_store_rel_int(&br->br_cons_tail, cons_next);
+	atomic_store_rel_32(&br->br_cons_tail, cons_next);
 	critical_exit();
 
 	return (buf);