diff --git a/packages/theme-chalk/src/popper.scss b/packages/theme-chalk/src/popper.scss
index 76cd479b2f..c98c3f8f79 100644
--- a/packages/theme-chalk/src/popper.scss
+++ b/packages/theme-chalk/src/popper.scss
@@ -24,7 +24,7 @@
     background: getCssVar('text-color', 'primary');
     border: 1px solid getCssVar('text-color', 'primary');
 
-    #{$arrow-selector}::before {
+    > #{$arrow-selector}::before {
       border: 1px solid getCssVar('text-color', 'primary');
       background: getCssVar('text-color', 'primary');
       right: 0;
@@ -35,7 +35,7 @@
     background: getCssVar('bg-color', 'overlay');
     border: 1px solid getCssVar('border-color', 'light');
 
-    #{$arrow-selector}::before {
+    > #{$arrow-selector}::before {
       border: 1px solid getCssVar('border-color', 'light');
       background: getCssVar('bg-color', 'overlay');
       right: 0;