diff --git a/tests/unit/lib/work.order.export.test.js b/tests/unit/lib/work.order.export.test.js
index 5584998..1a83027 100644
--- a/tests/unit/lib/work.order.export.test.js
+++ b/tests/unit/lib/work.order.export.test.js
@@ -124,3 +124,10 @@ test('work.order.export: RMA CSV leaves an unmapped deviceModel untouched', (t)
   const row = renderRmaCsv([wo]).trim().split('\r\n')[1].split(',')
   t.is(row[1], 'miner-am-s21', 'unmapped model falls back to the raw value')
 })
+
+test('work.order.export: CSV maps a known miner type slug in the deviceModel column', (t) => {
+  const wo = { ...WO, info: { ...WO.info, deviceModel: 'miner-wm-m63spp', partsMoves: [] } }
+  const lines = renderWorkOrderCsv(wo).trim().split('\r\n')
+  const idx = lines[0].split(',').indexOf('deviceModel')
+  t.is(lines[1].split(',')[idx], 'M63S', 'deviceModel column shows the friendly model name')
+})
diff --git a/workers/lib/server/lib/work.order.export.js b/workers/lib/server/lib/work.order.export.js
index 0306038..895761b 100644
--- a/workers/lib/server/lib/work.order.export.js
+++ b/workers/lib/server/lib/work.order.export.js
@@ -12,7 +12,10 @@ function renderWorkOrderCsv (wo) {
   const { partsMoves, ...woFields } = wo.info || {}
   const base = { code: wo.code, ...woFields }
   const moves = Array.isArray(partsMoves) ? partsMoves : []
-  const rows = moves.length ? moves.map(move => ({ ...base, ...move })) : [base]
+  const rawRows = moves.length ? moves.map(move => ({ ...base, ...move })) : [base]
+  const rows = rawRows.map(row => (
+    row.deviceModel == null ? row : { ...row, deviceModel: displayMinerModel(row.deviceModel) }
+  ))
 
   const headers = []
   const seen = new Set()