diff --git a/app/javascript/flavours/glitch/features/interaction_modal/index.jsx b/app/javascript/flavours/glitch/features/interaction_modal/index.jsx
index 2ef26f65f4..dd6a60b438 100644
--- a/app/javascript/flavours/glitch/features/interaction_modal/index.jsx
+++ b/app/javascript/flavours/glitch/features/interaction_modal/index.jsx
@@ -9,6 +9,7 @@ import { openModal, closeModal } from 'flavours/glitch/actions/modal';
 
 const mapStateToProps = (state, { accountId }) => ({
   displayNameHtml: state.getIn(['accounts', accountId, 'display_name_html']),
+  signupUrl: state.getIn(['server', 'server', 'registrations', 'url'], '/auth/sign_up'),
 });
 
 const mapDispatchToProps = (dispatch) => ({
@@ -81,6 +82,7 @@ class InteractionModal extends PureComponent {
     url: PropTypes.string,
     type: PropTypes.oneOf(['reply', 'reblog', 'favourite', 'follow']),
     onSignupClick: PropTypes.func.isRequired,
+    signupUrl: PropTypes.string.isRequired,
   };
 
   handleSignupClick = () => {
@@ -88,7 +90,7 @@ class InteractionModal extends PureComponent {
   };
 
   render () {
-    const { url, type, displayNameHtml } = this.props;
+    const { url, type, displayNameHtml, signupUrl } = this.props;
 
     const name = <bdi dangerouslySetInnerHTML={{ __html: displayNameHtml }} />;
 
@@ -121,7 +123,7 @@ class InteractionModal extends PureComponent {
 
     if (registrationsOpen) {
       signupButton = (
-        <a href='/auth/sign_up' className='button button--block button-tertiary'>
+        <a href={signupUrl} className='button button--block button-tertiary'>
           <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
         </a>
       );
diff --git a/app/javascript/flavours/glitch/features/ui/components/header.jsx b/app/javascript/flavours/glitch/features/ui/components/header.jsx
index 78cef87271..5098781e02 100644
--- a/app/javascript/flavours/glitch/features/ui/components/header.jsx
+++ b/app/javascript/flavours/glitch/features/ui/components/header.jsx
@@ -17,6 +17,10 @@ const Account = connect(state => ({
   </Permalink>
 ));
 
+const mapStateToProps = (state) => ({
+  signupUrl: state.getIn(['server', 'server', 'registrations', 'url'], '/auth/sign_up'),
+});
+
 const mapDispatchToProps = (dispatch) => ({
   openClosedRegistrationsModal() {
     dispatch(openModal('CLOSED_REGISTRATIONS'));
@@ -32,11 +36,12 @@ class Header extends PureComponent {
   static propTypes = {
     openClosedRegistrationsModal: PropTypes.func,
     location: PropTypes.object,
+    signupUrl: PropTypes.string.isRequired,
   };
 
   render () {
     const { signedIn } = this.context.identity;
-    const { location, openClosedRegistrationsModal } = this.props;
+    const { location, openClosedRegistrationsModal, signupUrl } = this.props;
 
     let content;
 
@@ -52,7 +57,7 @@ class Header extends PureComponent {
 
       if (registrationsOpen) {
         signupButton = (
-          <a href='/auth/sign_up' className='button'>
+          <a href={signupUrl} className='button'>
             <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
           </a>
         );
@@ -88,4 +93,4 @@ class Header extends PureComponent {
 
 }
 
-export default withRouter(connect(null, mapDispatchToProps)(Header));
+export default withRouter(connect(mapStateToProps, mapDispatchToProps)(Header));
diff --git a/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.jsx b/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.jsx
index cefcebfcbc..bdb3af7659 100644
--- a/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.jsx
+++ b/app/javascript/flavours/glitch/features/ui/components/sign_in_banner.jsx
@@ -1,11 +1,11 @@
 import { useCallback } from 'react';
 import { FormattedMessage } from 'react-intl';
-import { useDispatch } from 'react-redux';
+import { useAppDispatch, useAppSelector } from 'flavours/glitch/store';
 import { registrationsOpen } from 'flavours/glitch/initial_state';
 import { openModal } from 'flavours/glitch/actions/modal';
 
 const SignInBanner = () => {
-  const dispatch = useDispatch();
+  const dispatch = useAppDispatch();
 
   const openClosedRegistrationsModal = useCallback(
     () => dispatch(openModal('CLOSED_REGISTRATIONS')),
@@ -14,9 +14,11 @@ const SignInBanner = () => {
 
   let signupButton;
 
+  const signupUrl = useAppSelector((state) => state.getIn(['server', 'server', 'registrations', 'url'], '/auth/sign_up'));
+
   if (registrationsOpen) {
     signupButton = (
-      <a href='/auth/sign_up' className='button button--block'>
+      <a href={signupUrl} className='button button--block'>
         <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
       </a>
     );