diff --git a/ext/tokenizer/Makefile.frag b/ext/tokenizer/Makefile.frag
index bfc7d07dc4d..0127116de97 100644
--- a/ext/tokenizer/Makefile.frag
+++ b/ext/tokenizer/Makefile.frag
@@ -1,3 +1,4 @@
-
+$(top_srcdir)/Zend/zend_language_parser.c:
+$(top_srcdir)/Zend/zend_language_scanner.c:
 $(builddir)/tokenizer.lo: $(top_srcdir)/Zend/zend_language_parser.c $(top_srcdir)/Zend/zend_language_scanner.c