diff --git a/client/pages/config/authentication.vue b/client/pages/config/authentication.vue
index 9e028307..67de9c35 100644
--- a/client/pages/config/authentication.vue
+++ b/client/pages/config/authentication.vue
@@ -193,7 +193,7 @@ export default {
 
       function isValidRedirectURI(uri) {
         // Check for somestring://someother/string
-        const pattern = new RegExp('^\\w+://[\\w\\.-]+$', 'i')
+        const pattern = new RegExp('^\\w+://[\\w\\.-]+(/[\\w\\./-]*)*$', 'i')
         return pattern.test(uri)
       }
 
diff --git a/server/controllers/MiscController.js b/server/controllers/MiscController.js
index c2272ee6..c098514e 100644
--- a/server/controllers/MiscController.js
+++ b/server/controllers/MiscController.js
@@ -633,7 +633,7 @@ class MiscController {
       } else if (key === 'authOpenIDMobileRedirectURIs') {
         function isValidRedirectURI(uri) {
           if (typeof uri !== 'string') return false
-          const pattern = new RegExp('^\\w+://[\\w.-]+$', 'i')
+          const pattern = new RegExp('^\\w+://[\\w\\.-]+(/[\\w\\./-]*)*$', 'i')
           return pattern.test(uri)
         }