diff --git a/tools/src/cmd/test-runner/main.go b/tools/src/cmd/test-runner/main.go
index 60b11d8874..0267d156a9 100644
--- a/tools/src/cmd/test-runner/main.go
+++ b/tools/src/cmd/test-runner/main.go
@@ -324,6 +324,10 @@ func run() error {
 	fmt.Println()
 	fmt.Println()
 
+	if numFail > 0 {
+		os.Exit(1)
+	}
+
 	return nil
 }