diff --git a/cfg/std.cfg b/cfg/std.cfg
index 990eded39..3be5f80cb 100644
--- a/cfg/std.cfg
+++ b/cfg/std.cfg
@@ -6197,9 +6197,10 @@ The obsolete function 'gets' is called. With 'gets' you'll get a buffer overrun
     </arg>
   </function>
   <!-- std::string std::ostringstream::str() const; -->
+  <!-- std::string std::stringstream::str() const; -->
   <!-- @todo Implement the second version when function overloading is possible: -->
   <!--       void std::ostringstream::str(const string & s); -->
-  <function name="std::ostringstream::str">
+  <function name="std::ostringstream::str,std::stringstream::str">
     <use-retval/>
     <const/>
     <returnValue type="std::string"/>