diff --git a/lib/hdb/Makefile.am b/lib/hdb/Makefile.am
index c0ddc7e15..166321c4a 100644
--- a/lib/hdb/Makefile.am
+++ b/lib/hdb/Makefile.am
@@ -113,4 +113,4 @@ test_dbinfo_LIBS = libhdb.la
 
 hdb_err.h: hdb_err.et
 
-EXTRA_DIST = hdb.asn1 hdb_err.et
+EXTRA_DIST = hdb.asn1 hdb_err.et hdb.schema