diff --git a/src/css/custom.scss b/src/css/custom.scss
index 95e03cc3904..99a05126b43 100644
--- a/src/css/custom.scss
+++ b/src/css/custom.scss
@@ -1161,7 +1161,7 @@ button.DocSearch {
     color: black !important;
 }
 
-[data-theme='dark'] .alert a {
+[data-theme='dark'] .theme-admonition-warning .alert a {
     color: black !important;
 }