diff --git a/cfg/std.cfg b/cfg/std.cfg
index f9c0430a0..27866875f 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -4232,6 +4232,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <arg nr="2" direction="in">
       <not-null/>
       <not-uninit/>
+      <minsize type="argvalue" arg="3"/>
     </arg>
     <arg nr="3" direction="in">
       <not-uninit/>