diff --git a/src/auth/oauth2/gui/qgsauthoauth2edit.ui b/src/auth/oauth2/gui/qgsauthoauth2edit.ui
index e9601fa5c5e..4e415f99068 100644
--- a/src/auth/oauth2/gui/qgsauthoauth2edit.ui
+++ b/src/auth/oauth2/gui/qgsauthoauth2edit.ui
@@ -476,7 +476,7 @@
                   <number>0</number>
                  </property>
                  <property name="maximum">
-                  <number>9999</number>
+                  <number>65535</number>
                  </property>
                  <property name="value">
                   <number>0</number>