diff --git a/homeassistant/components/sensor/icons.json b/homeassistant/components/sensor/icons.json
index 24245d9bf03..f23826cfe95 100644
--- a/homeassistant/components/sensor/icons.json
+++ b/homeassistant/components/sensor/icons.json
@@ -117,7 +117,7 @@
     "speed": {
       "default": "mdi:speedometer"
     },
-    "sulfur_dioxide": {
+    "sulphur_dioxide": {
       "default": "mdi:molecule"
     },
     "temperature": {