diff --git a/src/compute_state_display.ts b/src/compute_state_display.ts
index 20417a7..90af005 100644
--- a/src/compute_state_display.ts
+++ b/src/compute_state_display.ts
@@ -48,7 +48,7 @@ export const myComputeStateDisplay = (
   stateObj: HassEntity,
   language: string,
 ): string | undefined => {
-  if (!atLeastVersion(hass.connection.haVersion, 0, 109)) {
+  if (!atLeastVersion(hass.config.version, 0, 109)) {
     return legacyComputeStateDisplay(localize, stateObj);
   }