diff --git a/doc/build.py b/doc/build.py
index 7eca31d3..a7449c04 100755
--- a/doc/build.py
+++ b/doc/build.py
@@ -69,6 +69,7 @@ def build_docs(version='dev'):
       XML_OUTPUT        = doxyxml
       ALIASES           = "rst=\verbatim embed:rst"
       ALIASES          += "endrst=\endverbatim"
+      MACRO_EXPANSION   = YES
       PREDEFINED        = _WIN32=1 \
                           FMT_USE_VARIADIC_TEMPLATES=1 \
                           FMT_USE_RVALUE_REFERENCES=1 \