diff --git a/VERSIONS_HOTLINE/38716 b/VERSIONS_HOTLINE/38716
new file mode 100644
index 0000000000000000000000000000000000000000..74fe60cd5b84f68bc5c27dbfe6b20d6af47056d1
--- /dev/null
+++ b/VERSIONS_HOTLINE/38716
@@ -0,0 +1 @@
+ - ticket #38716 : correction du répertoire de sauvegarde des images de captcha
\ No newline at end of file
diff --git a/library/startup.php b/library/startup.php
index aff2c991e5612d3ee67d6fb000745579802dc585..fdcb6cb74c044a6b14f2939625b9a4c911b7acb2 100644
--- a/library/startup.php
+++ b/library/startup.php
@@ -110,8 +110,8 @@ function setupConstants() {
   defineConstant('PATH_ADMIN_SUPPORTS', ROOT_PATH . 'public/admin/images/supports/');
 
   defineConstant('PATH_FONTS', ROOT_PATH . 'public/opac/fonts/');
-  defineConstant('URL_CAPTCHA', BASE_URL . '/public/captcha/');
-  defineConstant('PATH_CAPTCHA', ROOT_PATH . 'public/captcha/');
+  defineConstant('URL_CAPTCHA', BASE_URL . '/temp/');
+  defineConstant('PATH_CAPTCHA', PATH_TEMP);
   defineConstant('CACHE_LIFETIME', 3600);
   defineConstant('MEMCACHED_ENABLE', false);
   defineConstant('MEMCACHED_HOST', 'localhost');