diff --git a/scss/_debug.scss b/scss/_debug.scss
index 840bec3851c3..b9a3acd2114a 100644
--- a/scss/_debug.scss
+++ b/scss/_debug.scss
@@ -1,5 +1,5 @@
 @if $enable-debugger-classes {
-  .debug {
+  .#{$prefix}grid-debug {
     &::before {
       position: fixed;
       top: 0;