diff --git a/src/Makefile.am b/src/Makefile.am
index 126f1d8..b21ea96 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -22,6 +22,7 @@ apfl_internal_headers += common.h
 apfl_internal_headers += hashmap.c
 apfl_internal_headers += internal.h
 apfl_internal_headers += resizable.h
+apfl_internal_headers += value.h
 
 EXTRA_DIST = $(apfl_internal_headers) apfl.h