diff --git a/src/engine-gpg.c b/src/engine-gpg.c
index 34436007..59cf405a 100644
--- a/src/engine-gpg.c
+++ b/src/engine-gpg.c
@@ -2093,7 +2093,7 @@ gpg_add_algo_usage_expire (engine_gpg_t gpg,
         }
       if (!err)
         {
-          if (flags & GPGME_CREATE_NOEXPIRE)
+          if ((flags & GPGME_CREATE_NOEXPIRE))
             err = add_arg (gpg, "never");
           else if (expires == 0)
             err = add_arg (gpg, "-");