diff --git a/cfg/std.cfg b/cfg/std.cfg
index 97dd981c3..2d6008bb9 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -1091,6 +1091,7 @@
   <!-- FILE *freopen(const char *filename, const char *mode, FILE *stream); -->
   <function name="freopen,std::freopen">
     <noreturn>false</noreturn>
+    <use-retval/>
     <arg nr="1">
       <not-uninit/>
       <strz/>