diff --git a/cfg/std.cfg b/cfg/std.cfg
index ad7150404..6b8495c5f 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -5788,6 +5788,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     <arg nr="1" direction="in">
       <formatstr/>
       <not-null/>
+      <not-uninit/>
     </arg>
   </function>
   <!-- int sprintf(char *s, const char *format, ...); -->
@@ -5842,6 +5843,7 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
       <valid>0:</valid>
     </arg>
     <arg nr="3" direction="in">
+      <!-- Due to different swprintf definitions "<formatstr/>" can not be used here. See https://trac.cppcheck.net/ticket/4790 -->
       <not-null/>
       <not-uninit/>
     </arg>