diff --git a/build/Doxyfile b/build/Doxyfile
index c74b79d..9d504b5 100644
--- a/build/Doxyfile
+++ b/build/Doxyfile
@@ -1990,7 +1990,8 @@ INCLUDE_FILE_PATTERNS  =
 # recursively expanded use the := operator instead of the = operator.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-PREDEFINED             =
+PREDEFINED             = \
+	RAPIDJSON_DISABLEIF_RETURN(cond,returntype)=returntype
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
 # tag can be used to specify a list of macro names that should be expanded. The