diff --git a/homeassistant/components/fan/strings.json b/homeassistant/components/fan/strings.json
index cccf4134652..b16d6da6df5 100644
--- a/homeassistant/components/fan/strings.json
+++ b/homeassistant/components/fan/strings.json
@@ -34,7 +34,7 @@
         "oscillating": {
           "name": "Oscillating",
           "state": {
-            "true": "[%key:common::state::yes%}",
+            "true": "[%key:common::state::yes%]",
             "false": "[%key:common::state::no%]"
           }
         },