diff --git a/src/haproxy-systemd-wrapper.c b/src/haproxy-systemd-wrapper.c
index 7af5759..ad74e0e 100644
--- a/src/haproxy-systemd-wrapper.c
+++ b/src/haproxy-systemd-wrapper.c
@@ -147,7 +147,7 @@
 		if (pid > 0) {
 			fprintf(stderr, SD_DEBUG "haproxy-systemd-wrapper: %s -> %d.\n",
 			        sig == SIGTERM ? "SIGTERM" : "SIGINT", pid);
-			kill(pid, SIGINT);
+			kill(pid, sig);
 			free(pid_strv[i]);
 		}
 	}