diff --git a/t/lib-git-daemon.sh b/t/lib-git-daemon.sh
index edbea2d..f98de95 100644
--- a/t/lib-git-daemon.sh
+++ b/t/lib-git-daemon.sh
@@ -92,7 +92,7 @@
 	kill "$GIT_DAEMON_PID"
 	wait "$GIT_DAEMON_PID" >&3 2>&4
 	ret=$?
-	if test_match_signal 15 $?
+	if ! test_match_signal 15 $ret
 	then
 		error "git daemon exited with status: $ret"
 	fi