diff --git a/lib/vers/Makefile.am b/lib/vers/Makefile.am
index 91281a761..447c39321 100644
--- a/lib/vers/Makefile.am
+++ b/lib/vers/Makefile.am
@@ -27,4 +27,4 @@ print_version.h: make-print-version$(EXEEXT)
 
 make-print-version.o: $(top_builddir)/include/version.h
 
-EXTRA_DIST = $(BUILD_HEADERZ)
+EXTRA_DIST = $(build_HEADERZ)