diff --git a/ext/dom/document.c b/ext/dom/document.c
index 64da4f051b..3c71f03ba3 100644
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -26,6 +26,7 @@
 #ifdef LIBXML_SCHEMAS_ENABLED
 #include <libxml/relaxng.h>
 #include <libxml/xmlschemas.h>
+#include <libxml/xmlsave.h>
 #endif
 
 typedef struct _idsIterator idsIterator;
diff --git a/ext/libxml/php_libxml.h b/ext/libxml/php_libxml.h
index af1cc7d6ac..b484568bb1 100644
--- a/ext/libxml/php_libxml.h
+++ b/ext/libxml/php_libxml.h
@@ -35,6 +35,7 @@ extern zend_module_entry libxml_module_entry;
 
 #include "zend_smart_str.h"
 #include <libxml/tree.h>
+#include <libxml/parser.h>
 
 #define LIBXML_SAVE_NOEMPTYTAG 1<<2