diff --git a/lib/fork.js b/lib/fork.js
index a670ba80eb..7d0e5cfa9c 100644
--- a/lib/fork.js
+++ b/lib/fork.js
@@ -26,7 +26,7 @@ module.exports = function (args) {
 
 			// after all tests are finished and results received
 			// kill the forked process, so AVA can exit safely
-			ps.kill();
+			ps.kill(0);
 		});
 
 		ps.on('error', reject);