diff --git a/src/lxc/conf.c b/src/lxc/conf.c
index 4f5b0751c..e31c0d77d 100644
--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -4500,6 +4500,7 @@ void suggest_default_idmap(void)
 		ERROR("You do not have subuids or subgids allocated");
 		ERROR("Unprivileged containers require subuids and subgids");
 		free(uname);
+		free(gname);
 		return;
 	}