diff --git a/frontend/static/themes/9009.css b/frontend/static/themes/9009.css
index 3080ae056..b45b79af2 100644
--- a/frontend/static/themes/9009.css
+++ b/frontend/static/themes/9009.css
@@ -6,7 +6,7 @@
   --sub-alt-color: #d3cfc1;
   --text-color: #080909;
   --error-color: #c87e74;
-  --colorful-error-color: #a56961;
+  --error-extra-color: #a56961;
   --colorful-error-color: #c87e74;
   --colorful-error-extra-color: #a56961;
 }
@@ -16,7 +16,7 @@
 }
 
 .word letter.incorrect.extra {
-  color: var(--colorful-error-color);
+  color: var(--error-extra-color);
 }
 
 .word.error {