+\expandafter\patchcmd\csname bfseries \endcsname{%
+ \ifx\f@family\rmdef@ult \fontseries\bfseries@rm
+ \else\ifx\f@family\sfdef@ult \fontseries\bfseries@sf
+ \else\ifx\f@family\ttdef@ult \fontseries\bfseries@tt
+ \else \fontseries\bfdefault
+ \fi\fi\fi
+}{%
+ \ifx\f@family\rmdef@ult \romanseries\bfseries@rm
+ \else\ifx\f@family\sfdef@ult \romanseries\bfseries@sf
+ \else\ifx\f@family\ttdef@ult \romanseries\bfseries@tt
+ \else \romanseries\bfdefault
+ \fi\fi\fi
+}{}{}
+\expandafter\patchcmd\csname mdseries \endcsname{%
+ \ifx\f@family\rmdef@ult \fontseries\mdseries@rm
+ \else\ifx\f@family\sfdef@ult \fontseries\mdseries@sf
+ \else\ifx\f@family\ttdef@ult \fontseries\mdseries@tt
+ \else \fontseries\mddefault
+ \fi\fi\fi
+}{%
+ \ifx\f@family\rmdef@ult \romanseries\mdseries@rm
+ \else\ifx\f@family\sfdef@ult \romanseries\mdseries@sf
+ \else\ifx\f@family\ttdef@ult \romanseries\mdseries@tt
+ \else \romanseries\mddefault
+ \fi\fi\fi
+}{}{}