diff --git a/src/Makefile.am b/src/Makefile.am
index a4f625f71..d642d67ee 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -222,7 +222,7 @@ libbitcoin_wallet_a_SOURCES = \
   $(BITCOIN_CORE_H)
 
 # crypto primitives library
-crypto_libbitcoin_crypto_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_CONFIG_INCLUDES)
+crypto_libbitcoin_crypto_a_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_CONFIG_INCLUDES) $(SSL_CFLAGS)
 crypto_libbitcoin_crypto_a_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 crypto_libbitcoin_crypto_a_SOURCES = \
   crypto/aes.cpp \
@@ -409,8 +409,8 @@ if GLIBC_BACK_COMPAT
 endif
 
 libbitcoinconsensus_la_LDFLAGS = $(AM_LDFLAGS) -no-undefined $(RELDFLAGS)
-libbitcoinconsensus_la_LIBADD = $(LIBSECP256K1)
-libbitcoinconsensus_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL
+libbitcoinconsensus_la_LIBADD = $(LIBSECP256K1) $(CRYPTO_LIBS)
+libbitcoinconsensus_la_CPPFLAGS = $(AM_CPPFLAGS) -I$(builddir)/obj -I$(srcdir)/secp256k1/include -DBUILD_BITCOIN_INTERNAL $(SSL_CFLAGS)
 libbitcoinconsensus_la_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
 
 endif