diff --git a/src/styles/global.css b/src/styles/global.css
index b111d23..02bcc74 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -196,10 +196,10 @@ button:hover .arrow {
   transition: background-color var(--transition);
 }
 
-/* Solid once the page scrolls or a full-width panel is open */
 .site-header.is-scrolled,
 .site-header.is-open {
   background: var(--galaxy-blue);
+  transition: none;
 }
 
 .site-header__inner {