diff --git a/htdocs/admin/oauth.php b/htdocs/admin/oauth.php
index d6e0099476a..14e2d19d631 100644
--- a/htdocs/admin/oauth.php
+++ b/htdocs/admin/oauth.php
@@ -179,7 +179,7 @@ if ($action == 'confirm_delete') {
 		} elseif ($label == 'OAUTH_MICROSOFT') {
 			$callbacktodel .= '/core/modules/oauth/microsoft_oauthcallback.php?action=delete&keyforprovider='.$provider.'&token='.newToken().'&backtourl='.urlencode($backtourl);
 		} elseif ($label == 'OAUTH_MICROSOFT2') {
-			$callbacktodel .= '/core/modules/oauth/microsoft_oauthcallback.php?action=delete&keyforprovider='.$provider.'&token='.newToken().'&backtourl='.urlencode($backtourl);
+			$callbacktodel .= '/core/modules/oauth/microsoft2_oauthcallback.php?action=delete&keyforprovider='.$provider.'&token='.newToken().'&backtourl='.urlencode($backtourl);
 		} elseif ($label == 'OAUTH_OTHER') {
 			$callbacktodel .= '/core/modules/oauth/generic_oauthcallback.php?action=delete&keyforprovider='.$provider.'&token='.newToken().'&backtourl='.urlencode($backtourl);
 		}
diff --git a/htdocs/core/modules/oauth/microsoft_oauthcallback2.php b/htdocs/core/modules/oauth/microsoft2_oauthcallback.php
similarity index 100%
rename from htdocs/core/modules/oauth/microsoft_oauthcallback2.php
rename to htdocs/core/modules/oauth/microsoft2_oauthcallback.php