diff --git a/src/Makefile.am b/src/Makefile.am
index 3b7d17e85..a44839781 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -265,6 +265,9 @@ libbitcoin_server_a_SOURCES = \
   cc/faucet.cpp \
   cc/rewards.cpp \
   cc/dice.cpp \
+  cc/lotto.cpp \
+  cc/ponzi.cpp \
+  cc/auction.cpp \
   cc/betprotocol.cpp \
   chain.cpp \
   checkpoints.cpp \