diff --git a/src/styles/_project.sass b/src/styles/_project.sass
index 3f3f6a73..f63550c0 100644
--- a/src/styles/_project.sass
+++ b/src/styles/_project.sass
@@ -191,6 +191,8 @@
 	z-index: $z-index-base + 3
 	position: fixed
 	top: $project_header-height
+	left: 0
+	right: 0
 	height: $project_header-height
 	min-height: $project_header-height
 	width: auto