diff --git a/src/data/history.ts b/src/data/history.ts
index 3f2556522d..0497658031 100644
--- a/src/data/history.ts
+++ b/src/data/history.ts
@@ -11,6 +11,7 @@ const LINE_ATTRIBUTES_TO_KEEP = [
   "current_temperature",
   "target_temp_low",
   "target_temp_high",
+  "hvac_action",
 ];
 
 export interface LineChartState {