diff --git a/test/Fixtures/lessjs-3.13.1/override/compression/compression.css b/test/Fixtures/lessjs-3.13.1/override/compression/compression.css
new file mode 100644
index 00000000..e93e3d97
--- /dev/null
+++ b/test/Fixtures/lessjs-3.13.1/override/compression/compression.css
@@ -0,0 +1,3 @@
+#colours{color1:#fea;color2:#ffeeaa;color3:rgba(255,238,170,0.1);string:"#fea";/*! but not this type
+      Note preserved whitespace
+  */}dimensions{val:0.1px;val:0em;val:4cm;val:0.2;val:5;angles-must-have-unit:0deg;durations-must-have-unit:0s;length-doesnt-have-unit:0px;width:auto\9}@page{marks:none;@top-left-corner{vertical-align:top}@top-left{vertical-align:top}}.shadow^.dom,body^^.shadow{display:done}
diff --git a/test/fixtures.php b/test/fixtures.php
index f40ee568..6a3c5064 100644
--- a/test/fixtures.php
+++ b/test/fixtures.php
@@ -106,7 +106,7 @@
 	'lessjs-3.13.1/compression' => [
 		'lessDir' => "$fixtureDir/lessjs-2.5.3/less/compression",
 		'cssDir' => "$fixtureDir/lessjs-2.5.3/css/compression",
-		// 'overrideDir' => "$fixtureDir/lessjs-3.13.1/override/compression",
+		'overrideDir' => "$fixtureDir/lessjs-3.13.1/override/compression",
 		'options' => [
 			'compress' => true,
 		],
diff --git a/test/phpunit/FixturesTest.php b/test/phpunit/FixturesTest.php
index 2d63bbfa..edbf597c 100644
--- a/test/phpunit/FixturesTest.php
+++ b/test/phpunit/FixturesTest.php
@@ -46,9 +46,6 @@ class phpunit_FixturesTest extends phpunit_bootstrap {
 		'lessjs-3.13.1/include-path' => [
 			'include-path' => true,
 		],
-		'lessjs-3.13.1/compression' => [
-			'compression' => true,
-		],
 	];
 
 	public static function provideFixtures() {