diff --git a/PDP11/pdp11_xq.c b/PDP11/pdp11_xq.c
index 1fd6297f..5edea3c9 100644
--- a/PDP11/pdp11_xq.c
+++ b/PDP11/pdp11_xq.c
@@ -2290,9 +2290,9 @@ t_stat xq_wr_srqr(CTLR* xq, int32 data)
         uint32 saved_debug = xq->dev->dctrl;
 
         /* Correct byte ordering of non word fields for Big Endian platforms */
-        sim_buf_swap_data (xq->var->init.phys,         sizeof(uint16), sizeof(xq->var->init.phys));
-        sim_buf_swap_data (xq->var->init.hash_filter,  sizeof(uint16), sizeof(xq->var->init.hash_filter));
-        sim_buf_swap_data (xq->var->init.bootpassword, sizeof(uint16), sizeof(xq->var->init.bootpassword));
+        sim_buf_swap_data (xq->var->init.phys,         sizeof(uint16), sizeof(xq->var->init.phys)/sizeof(uint16));
+        sim_buf_swap_data (xq->var->init.hash_filter,  sizeof(uint16), sizeof(xq->var->init.hash_filter)/sizeof(uint16));
+        sim_buf_swap_data (xq->var->init.bootpassword, sizeof(uint16), sizeof(xq->var->init.bootpassword)/sizeof(uint16));
 
         /* temporarily turn on Ethernet debugging if setup debugging is enabled */
         if (xq->dev->dctrl & DBG_SET)