diff --git a/packages/api/src/services/EmailService.ts b/packages/api/src/services/EmailService.ts
index a83ad29..82d678b 100644
--- a/packages/api/src/services/EmailService.ts
+++ b/packages/api/src/services/EmailService.ts
@@ -107,7 +107,7 @@ ${
             <hr style="border: none; border-top: 1px solid #eaeaea; width: 100%; margin-top: 12px; margin-bottom: 12px;">
             <p style="font-size: 12px; line-height: 24px; margin: 16px 0; text-align: center; color: rgb(64, 64, 64);">
               You received this email because you agreed to receive emails from ${project.name}. If you no longer wish to receive emails like this, please 
-              <a href="https://${APP_URI}/unsubscribe/${contact.id}">update your preferences</a>.
+              <a href="${APP_URI.startsWith("https://") ? APP_URI : `https://${APP_URI}`}/unsubscribe/${contact.id}">update your preferences</a>.
             </p>
           </td>
         </tr>
@@ -472,7 +472,7 @@ ${
               <mj-divider border-width="2px" border-color="#f5f5f5"></mj-divider>
               <mj-text align="center">
                 <p style="color: #a3a3a3; text-decoration: none; font-size: 12px; line-height: 1.7142857;">
-                  You received this email because you agreed to receive emails from ${project.name}. If you no longer wish to receive emails like this, please <a style="text-decoration: underline" href="${APP_URI}/unsubscribe/${contact.id}" target="_blank">update your preferences</a>.
+                  You received this email because you agreed to receive emails from ${project.name}. If you no longer wish to receive emails like this, please <a style="text-decoration: underline" href="${APP_URI.startsWith("https://") ? APP_URI : `https://${APP_URI}`}/unsubscribe/${contact.id}" target="_blank">update your preferences</a>.
                 </p>
               </mj-text>
             `