diff --git a/src/material/expansion/expansion-panel-header.scss b/src/material/expansion/expansion-panel-header.scss
index fca59ae3e331..798a2814d7fa 100644
--- a/src/material/expansion/expansion-panel-header.scss
+++ b/src/material/expansion/expansion-panel-header.scss
@@ -44,6 +44,7 @@
   display: flex;
   flex-grow: 1;
   margin-right: 16px;
+  align-items: center;
 
   [dir='rtl'] & {
     margin-right: 0;