diff --git a/src/material/expansion/expansion-panel-header.scss b/src/material/expansion/expansion-panel-header.scss
index b0984e25fee6..7c45e216d13c 100644
--- a/src/material/expansion/expansion-panel-header.scss
+++ b/src/material/expansion/expansion-panel-header.scss
@@ -55,6 +55,7 @@
   display: flex;
   flex-grow: 1;
   margin-right: 16px;
+  align-items: center;
 
   [dir='rtl'] & {
     margin-right: 0;