diff --git a/doxygen/mbedtls.doxyfile b/doxygen/mbedtls.doxyfile
index 950c21d..38fb8db 100644
--- a/doxygen/mbedtls.doxyfile
+++ b/doxygen/mbedtls.doxyfile
@@ -19,6 +19,9 @@
 HTML_TIMESTAMP         = YES
 SEARCHENGINE           = YES
 GENERATE_LATEX         = NO
+GENERATE_XML           = YES
+MACRO_EXPANSION        = YES
+EXPAND_ONLY_PREDEF     = YES
 INCLUDE_PATH           = ../include
 CLASS_DIAGRAMS         = NO
 HAVE_DOT               = YES
@@ -41,8 +44,6 @@
 # This avoids writing redundant text and keeps Clang happy.
 ALIASES += emptydescription=""
 
-GENERATE_XML           = YES
-
 # Define away Mbed TLS macros that make parsing definitions difficult.
 # MBEDTLS_DEPRECATED is not included in this list as it's important to
 # display deprecated status in the documentation.