diff --git a/src/material/button/_button-theme.scss b/src/material/button/_button-theme.scss
index 9623d542f4de..c01c25a39509 100644
--- a/src/material/button/_button-theme.scss
+++ b/src/material/button/_button-theme.scss
@@ -171,6 +171,7 @@
 
   .mat-mdc-button,
   .mat-mdc-raised-button,
+  .mat-mdc-outlined-button,
   .mat-mdc-unelevated-button {
     line-height: inherit;
   }