diff --git a/tests/coverage/TestCoverage.hx b/tests/coverage/TestCoverage.hx
index 5fb0f72..d83df1d 100644
--- a/tests/coverage/TestCoverage.hx
+++ b/tests/coverage/TestCoverage.hx
@@ -77,8 +77,8 @@ class TestCoverage implements ITest {
 
 	function runTestee(testeeClass:String) {
 		var params:Array<String> = [
-			"haxe", "-cp", "src", "-cp", "tests", "-D", "custom-end-instrument", "-D", "test-class=" + testeeClass, "--macro",
-			'instrument.Instrumentation.coverage(["$testeeClass"],["tests"],[])', "-main", "coverage.testee.CoverageTestMain", "--run",
+			"haxe", "-cp", "src", "-cp", "tests", "-D", "test-class=" + testeeClass, "--macro",
+			'instrument.Instrumentation.coverage([\'$testeeClass\'],["tests"],[])', "-main", "coverage.testee.CoverageTestMain", "--run",
 			"coverage.testee.CoverageTestMain"
 		];