diff --git a/src/components/radio-group/radio-group.ts b/src/components/radio-group/radio-group.ts
index ba4ea2467..50d02e299 100644
--- a/src/components/radio-group/radio-group.ts
+++ b/src/components/radio-group/radio-group.ts
@@ -125,12 +125,6 @@ export default class SlRadioGroup extends LitElement {
     return !this.invalid;
   }
 
-  private showNativeErrorMessage() {
-    this.input.hidden = false;
-    this.input.reportValidity();
-    setTimeout(() => (this.input.hidden = true), 10000);
-  }
-
   private getAllRadios() {
     return [...this.querySelectorAll<SlRadio | SlRadioButton>('sl-radio, sl-radio-button')];
   }
@@ -209,6 +203,12 @@ export default class SlRadioGroup extends LitElement {
     }
   }
 
+  private showNativeErrorMessage() {
+    this.input.hidden = false;
+    this.input.reportValidity();
+    setTimeout(() => (this.input.hidden = true), 10000);
+  }
+
   private updateCheckedRadio() {
     const radios = this.getAllRadios();
     radios.forEach(radio => (radio.checked = radio.value === this.value));