diff --git a/scss/_close.scss b/scss/_close.scss
index 35bdc35600..11e45235cc 100644
--- a/scss/_close.scss
+++ b/scss/_close.scss
@@ -37,5 +37,5 @@
 }
 
 .btn-close-white {
-  filter: invert(1);
+  filter: invert(1) grayscale(100%);
 }