diff --git a/BasiliskII/src/Unix/Linux/NetDriver/sheep_net.c b/BasiliskII/src/Unix/Linux/NetDriver/sheep_net.c
index 49c2fc5d..32065835 100644
--- a/BasiliskII/src/Unix/Linux/NetDriver/sheep_net.c
+++ b/BasiliskII/src/Unix/Linux/NetDriver/sheep_net.c
@@ -462,8 +462,7 @@ static ssize_t sheep_net_write(struct file *f, const char *buf, size_t count, lo
 	}
 
 	/* Transmit packet */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,0,0)
-	/* XXX: unsure which version needs this */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,31)
 	atomic_add(skb->truesize, &v->skt->wmem_alloc);
 #endif
 	skb->sk = v->skt;