diff --git a/include/hw/dma/xlnx-zynq-devcfg.h b/include/hw/dma/xlnx-zynq-devcfg.h
index d40e5c8df6..9f5119a89a 100644
--- a/include/hw/dma/xlnx-zynq-devcfg.h
+++ b/include/hw/dma/xlnx-zynq-devcfg.h
@@ -34,7 +34,7 @@
 #define XLNX_ZYNQ_DEVCFG(obj) \
     OBJECT_CHECK(XlnxZynqDevcfg, (obj), TYPE_XLNX_ZYNQ_DEVCFG)
 
-#define XLNX_ZYNQ_DEVCFG_R_MAX 0x118
+#define XLNX_ZYNQ_DEVCFG_R_MAX (0x100 / 4)
 
 #define XLNX_ZYNQ_DEVCFG_DMA_CMD_FIFO_LEN 10