diff --git a/homeassistant/components/smartthings/sensor.py b/homeassistant/components/smartthings/sensor.py
index 9ef8cb55c92..da0e752fb5b 100644
--- a/homeassistant/components/smartthings/sensor.py
+++ b/homeassistant/components/smartthings/sensor.py
@@ -57,6 +57,7 @@ JOB_STATE_MAP = {
     "freezeProtection": "freeze_protection",
     "preDrain": "pre_drain",
     "preWash": "pre_wash",
+    "prewash": "pre_wash",
     "wrinklePrevent": "wrinkle_prevent",
     "unknown": None,
 }