diff --git a/unlock-app/src/components/interface/checkout/main/Returning.tsx b/unlock-app/src/components/interface/checkout/main/Returning.tsx
index 84c90ba73c1..7ae80525ef2 100644
--- a/unlock-app/src/components/interface/checkout/main/Returning.tsx
+++ b/unlock-app/src/components/interface/checkout/main/Returning.tsx
@@ -25,12 +25,12 @@ interface Props {
 
 export function Returning({ checkoutService, onClose, communication }: Props) {
   const config = useConfig()
-  const {
-    paywallConfig,
-    lock,
-    messageToSign: signedMessage,
-  } = useSelector(checkoutService, (state) => state.context)
+  const { paywallConfig, lock, messageToSign } = useSelector(
+    checkoutService,
+    (state) => state.context
+  )
   const { account, getWalletService } = useAuth()
+  const [signedMessage, setSignedMessage] = useState(messageToSign)
   const [hasMessageToSign, setHasMessageToSign] = useState(
     !signedMessage && paywallConfig.messageToSign
   )
@@ -46,6 +46,7 @@ export function Returning({ checkoutService, onClose, communication }: Props) {
         'personal_sign'
       )
       setIsSigningMessage(false)
+      setSignedMessage({ address: account!, signature })
       checkoutService.send({
         type: 'SIGN_MESSAGE',
         signature,
@@ -126,7 +127,7 @@ export function Returning({ checkoutService, onClose, communication }: Props) {
               }`}
             >
               <ReturningButton
-                onClick={() => onClose()}
+                onClick={() => onClose(signedMessage)}
                 returnLabel="Return"
                 checkoutService={checkoutService}
               />
diff --git a/unlock-app/src/components/interface/checkout/main/checkoutMachine.ts b/unlock-app/src/components/interface/checkout/main/checkoutMachine.ts
index f7d678b9263..6e97b044013 100644
--- a/unlock-app/src/components/interface/checkout/main/checkoutMachine.ts
+++ b/unlock-app/src/components/interface/checkout/main/checkoutMachine.ts
@@ -679,6 +679,9 @@ export const checkoutMachine = createMachine(
       },
       RETURNING: {
         on: {
+          SIGN_MESSAGE: {
+            actions: ['signMessage'],
+          },
           MAKE_ANOTHER_PURCHASE: [
             {
               target: 'METADATA',
diff --git a/unlock-app/src/components/interface/checkout/main/index.tsx b/unlock-app/src/components/interface/checkout/main/index.tsx
index 511aaaafc28..ab238aa1c92 100644
--- a/unlock-app/src/components/interface/checkout/main/index.tsx
+++ b/unlock-app/src/components/interface/checkout/main/index.tsx
@@ -78,6 +78,9 @@ export function Checkout({
     }
   }, [account, communication])
 
+  const messageToSignSignature = messageToSign?.signature
+  const messageToSignSigner = messageToSign?.address
+
   const onClose = useCallback(
     (params: Record<string, string> = {}) => {
       // Reset the Paywall State!
@@ -90,14 +93,17 @@ export function Checkout({
           redirect.searchParams.append('error', 'access-denied')
         }
 
-        if (paywallConfig.messageToSign && !messageToSign) {
-          redirect.searchParams.append('error', 'user did not sign message')
-        }
+        if (!params.signature) {
+          if (paywallConfig.messageToSign && !messageToSignSignature) {
+            redirect.searchParams.append('error', 'user did not sign message')
+          }
 
-        if (messageToSign) {
-          redirect.searchParams.append('signature', messageToSign.signature)
-          redirect.searchParams.append('address', messageToSign.address)
+          if (messageToSignSignature) {
+            redirect.searchParams.append('signature', messageToSignSignature)
+            redirect.searchParams.append('address', messageToSignSigner)
+          }
         }
+
         for (const [key, value] of Object.entries(params)) {
           redirect.searchParams.append(key, value)
         }
@@ -109,13 +115,14 @@ export function Checkout({
       }
     },
     [
+      checkoutService,
       handleClose,
       redirectURI,
       communication,
       mint,
-      messageToSign,
       paywallConfig.messageToSign,
-      checkoutService,
+      messageToSignSignature,
+      messageToSignSigner,
     ]
   )