diff --git a/src/Makefile.am b/src/Makefile.am
index 8c1d17cea..48b8a85c9 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -245,6 +245,7 @@ crypto_libbitcoin_crypto_a_SOURCES = \
   crypto/common.h \
   crypto/equihash.cpp \
   crypto/equihash.h \
+  crypto/equihash.tcc \
   crypto/hmac_sha256.cpp \
   crypto/hmac_sha256.h \
   crypto/hmac_sha512.cpp \