diff --git a/repos/os/include/virtio/queue.h b/repos/os/include/virtio/queue.h
index f291de9581..a4df06a523 100644
--- a/repos/os/include/virtio/queue.h
+++ b/repos/os/include/virtio/queue.h
@@ -415,7 +415,7 @@ class Virtio::Queue
 			Genode::size_t len = 0;
 
 			if (data != nullptr && data_size > 0) {
-				Genode::size_t len = Genode::min(_buffer_size - sizeof(header), data_size);
+				len = Genode::min(_buffer_size - sizeof(header), data_size);
 				Genode::memcpy((char *)_buffer_local_addr(desc) + desc->len, data, len);
 				desc->len += len;
 				len = data_size + sizeof(header) - desc->len;