diff --git a/htdocs/theme/eldy/dropdown.css.php b/htdocs/theme/eldy/dropdown.inc.php
similarity index 100%
rename from htdocs/theme/eldy/dropdown.css.php
rename to htdocs/theme/eldy/dropdown.inc.php
diff --git a/htdocs/theme/eldy/global.inc.php b/htdocs/theme/eldy/global.inc.php
index db7cd8fa594..fba05a2f26f 100644
--- a/htdocs/theme/eldy/global.inc.php
+++ b/htdocs/theme/eldy/global.inc.php
@@ -5764,4 +5764,4 @@ div.tabsElem a.tab {
 }
 
 <?php
-include dol_buildpath($path.'/theme/'.$theme.'/dropdown.css.php', 0);
+include dol_buildpath($path.'/theme/'.$theme.'/dropdown.inc.php', 0);