diff --git a/src/components/ha-expansion-panel.ts b/src/components/ha-expansion-panel.ts
index 931831d9d7..179ae51386 100644
--- a/src/components/ha-expansion-panel.ts
+++ b/src/components/ha-expansion-panel.ts
@@ -202,6 +202,7 @@ export class HaExpansionPanel extends LitElement {
     .header,
     ::slotted([slot="header"]) {
       flex: 1;
+      overflow-wrap: anywhere;
     }
 
     .container {