diff --git a/src/lib/list/list.scss b/src/lib/list/list.scss
index 66fe8b1c052b..5629bab50e5a 100644
--- a/src/lib/list/list.scss
+++ b/src/lib/list/list.scss
@@ -111,6 +111,7 @@ $mat-list-item-inset-divider-offset: 72px;
   }
 
   .mat-list-icon {
+    flex-shrink: 0;
     width: $icon-size;
     height: $icon-size;
     font-size: $icon-size;