diff --git a/src/mod/xml_int/mod_xml_rpc/Makefile b/src/mod/xml_int/mod_xml_rpc/Makefile
index 97e6b0de60..b4890d5460 100644
--- a/src/mod/xml_int/mod_xml_rpc/Makefile
+++ b/src/mod/xml_int/mod_xml_rpc/Makefile
@@ -68,7 +68,7 @@ $(XMLRPC_DIR)/lib/expat/xmltok/xmltok.o
 #LOCAL_LIBADD =$(XMLRPCLAS)
 
 LOCAL_CFLAGS = -w -I$(XMLRPC_DIR)/lib/expat/xmlparse -I$(XMLRPC_DIR)/lib/expat/xmltok -I$(XMLRPC_DIR) -I$(XMLRPC_DIR)/include
-LOCAL_CFLAGS+= -I$(XMLRPC_DIR)/lib/abyss/src -I$(XMLRPC_DIR)/lib/util/include -D_THREAD
+LOCAL_CFLAGS+= -I$(XMLRPC_DIR)/lib/abyss/src -I$(XMLRPC_DIR)/lib/util/include -D_THREAD -D__EXTENSIONS__
 
 include $(BASE)/build/modmake.rules