diff --git a/src/components/tab_switcher/tab_switcher.scss b/src/components/tab_switcher/tab_switcher.scss
index 30e0bd903..755ff9a78 100644
--- a/src/components/tab_switcher/tab_switcher.scss
+++ b/src/components/tab_switcher/tab_switcher.scss
@@ -56,6 +56,7 @@
   .contents {
     flex: 1 0 auto;
     min-height: 0;
+    position: relative;
 
     .hidden {
       display: none;