diff --git a/.branch_name b/.branch_name
new file mode 100644
index 0000000000..8f395951d3
--- /dev/null
+++ b/.branch_name
@@ -0,0 +1 @@
+fix/issue-2415-tab-indicator-track-width
diff --git a/src/components/tab-group/tab-group.styles.ts b/src/components/tab-group/tab-group.styles.ts
index 4330bf4732..76108e289d 100644
--- a/src/components/tab-group/tab-group.styles.ts
+++ b/src/components/tab-group/tab-group.styles.ts
@@ -21,6 +21,7 @@ export default css`
 
   .tab-group__indicator {
     position: absolute;
+    box-sizing: content-box;
     transition:
       var(--sl-transition-fast) translate ease,
       var(--sl-transition-fast) width ease;