diff --git a/src/front/cobalt.css b/src/front/cobalt.css
index 4d046765..529e9f3f 100644
--- a/src/front/cobalt.css
+++ b/src/front/cobalt.css
@@ -440,7 +440,7 @@ button:active,
 }
 .popup.small .close-error.switch {
     background: rgb(70, 70, 70);
-    color: var(--background);
+    color: rgb(150, 150, 150);
     height: 2.5rem;
 }
 #popup-error,