diff --git a/test/coverage.js b/test/coverage.js
index 1964dfc4bd0..e01452047f5 100644
--- a/test/coverage.js
+++ b/test/coverage.js
@@ -17,7 +17,7 @@ const REPO_PATH = toUpperDriveLetter(path.join(__dirname, '..'));
 exports.initialize = function (loaderConfig) {
 	const instrumenter = iLibInstrument.createInstrumenter();
 	loaderConfig.nodeInstrumenter = function (contents, source) {
-		if (minimatch(source, '**/test/**/*.test.js')) {
+		if (minimatch(source, '**/test/**')) {
 			// tests don't get instrumented
 			return contents;
 		}