diff --git a/src/Makefile.am b/src/Makefile.am
index 5f4ee7270..034856579 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -180,6 +180,7 @@ BITCOIN_CORE_H = \
   pow.h \
   prevector.h \
   primitives/block.h \
+  primitives/orchard.h \
   primitives/transaction.h \
   proof_verifier.h \
   protocol.h \