diff --git a/test/fixtures/stylesheets/compass/css/gradients.css b/test/fixtures/stylesheets/compass/css/gradients.css
index 2e03305a..9e698510 100644
--- a/test/fixtures/stylesheets/compass/css/gradients.css
+++ b/test/fixtures/stylesheets/compass/css/gradients.css
@@ -1,4 +1,3 @@
-@charset "UTF-8";
 .bg-simple-image {
   background-image: url("foo.png"); }
 
diff --git a/test/fixtures/stylesheets/compass/css/pie.css b/test/fixtures/stylesheets/compass/css/pie.css
index b68c43c9..2de7f80c 100644
--- a/test/fixtures/stylesheets/compass/css/pie.css
+++ b/test/fixtures/stylesheets/compass/css/pie.css
@@ -17,7 +17,8 @@
   background: linear-gradient(#ff0000 0%, #0000ff 100%); }
 
 .pie-container, .widget {
-  z-index: 0; }
+  z-index: 0;
+  position: relative; }
 
 .z-pie-element, .widget h3 {
   behavior: url('/tmp/PIE.htc');