diff --git a/mozilla/modules/xml/Makefile b/mozilla/modules/xml/Makefile
index c1a1fda6785..38bdc7ebfdd 100644
--- a/mozilla/modules/xml/Makefile
+++ b/mozilla/modules/xml/Makefile
@@ -35,4 +35,9 @@ LOCAL_INCLUDES	= -I./expat/xmltok -I./expat/xmlparse/ -I./glue
 
 include $(DEPTH)/config/rules.mk
 
+ifdef RHAPSODY
+CFLAGS += -traditional-cpp
+endif
+
 $(LIBRARY): $(OBJS)
+