diff --git a/bochs/iodev/dma.cc b/bochs/iodev/dma.cc
index a123cd718..e871463e9 100644
--- a/bochs/iodev/dma.cc
+++ b/bochs/iodev/dma.cc
@@ -57,8 +57,7 @@ void libdma_LTX_plugin_fini(void)
 bx_dma_c::bx_dma_c()
 {
   put("DMA");
-  memset(&s[0], 0, sizeof(s));
-  memset(&s[1], 0, sizeof(s));
+  memset(&s, 0, sizeof(s));
 }
 
 bx_dma_c::~bx_dma_c()