diff --git a/nsswitch/wbinfo.c b/nsswitch/wbinfo.c
index 447e5555cc2..9efd40b56a0 100644
--- a/nsswitch/wbinfo.c
+++ b/nsswitch/wbinfo.c
@@ -567,6 +567,8 @@ static bool wbinfo_list_domains(bool list_all_domains, bool verbose)
 		d_printf("\n");
 	}
 
+	wbcFreeMemory(domain_list);
+
 	return true;
 }