diff --git a/src/components/Banner.vue b/src/components/Banner.vue
index 482e7a1..cd06d73 100644
--- a/src/components/Banner.vue
+++ b/src/components/Banner.vue
@@ -103,6 +103,8 @@
 			position: absolute;
 				top: calc( 100% - #{$wave-height} );
 				left: 0;
+				// waves are too "bumpy" on mobile
+				min-width: 40rem;
 				width: 100%;
 				height: calc( #{$wave-height} + 1px );