diff --git a/public/app/features/dashboard/components/ShareModal/SharePublicDashboard/ConfigPublicDashboard/EmailSharingConfiguration.tsx b/public/app/features/dashboard/components/ShareModal/SharePublicDashboard/ConfigPublicDashboard/EmailSharingConfiguration.tsx
index afc7a8de5c7..d9026bb3009 100644
--- a/public/app/features/dashboard/components/ShareModal/SharePublicDashboard/ConfigPublicDashboard/EmailSharingConfiguration.tsx
+++ b/public/app/features/dashboard/components/ShareModal/SharePublicDashboard/ConfigPublicDashboard/EmailSharingConfiguration.tsx
@@ -116,14 +116,14 @@ export const EmailSharingConfiguration = () => {
     control,
     watch,
     handleSubmit,
-    formState: { isValid, errors },
+    formState: { errors },
     reset,
   } = useForm<EmailSharingConfigurationForm>({
     defaultValues: {
       shareType: publicDashboard?.share || PublicDashboardShareType.PUBLIC,
       email: '',
     },
-    mode: 'onChange',
+    mode: 'onSubmit',
   });
 
   const onShareTypeChange = (shareType: PublicDashboardShareType) => {
@@ -186,7 +186,7 @@ export const EmailSharingConfiguration = () => {
               <Button
                 type="submit"
                 variant="primary"
-                disabled={!isValid || isAddEmailLoading}
+                disabled={isAddEmailLoading}
                 data-testid={selectors.EmailSharingInviteButton}
               >
                 Invite {isAddEmailLoading && <Spinner />}