diff --git a/scss/_nav.scss b/scss/_nav.scss
index 7d83a29c7..2534f7f77 100644
--- a/scss/_nav.scss
+++ b/scss/_nav.scss
@@ -50,6 +50,8 @@
     &:hover,
     &:focus {
       border-color: $nav-tabs-link-hover-border-color;
+      // Prevents active .nav-link tab overlapping focus outline of previous/next .nav-link
+      isolation: isolate;
     }
 
     &.disabled {