diff --git a/src/panels/lovelace/editor/conditions/types/ha-card-condition-state.ts b/src/panels/lovelace/editor/conditions/types/ha-card-condition-state.ts
index 30d24a2592..006d00c3cf 100644
--- a/src/panels/lovelace/editor/conditions/types/ha-card-condition-state.ts
+++ b/src/panels/lovelace/editor/conditions/types/ha-card-condition-state.ts
@@ -102,7 +102,7 @@ export class HaCardConditionState extends LitElement {
     const data: StateConditionData = {
       ...content,
       entity: this.condition.entity,
-      invert: this.condition.state_not ? "true" : "false",
+      invert: this.condition.state_not !== undefined ? "true" : "false",
       state: this.condition.state_not ?? this.condition.state,
     };