diff --git a/build/CMakeLists.txt b/build/CMakeLists.txt
index 03e4c450..1f18beb7 100644
--- a/build/CMakeLists.txt
+++ b/build/CMakeLists.txt
@@ -36,6 +36,7 @@ set (LIBI2PD_SRC
   "${LIBI2PD_SRC_DIR}/BloomFilter.cpp"
   "${LIBI2PD_SRC_DIR}/Config.cpp"
   "${LIBI2PD_SRC_DIR}/Crypto.cpp"
+  "${LIBI2PD_SRC_DIR}/CryptoKey.cpp"
   "${LIBI2PD_SRC_DIR}/Garlic.cpp"
   "${LIBI2PD_SRC_DIR}/Gzip.cpp"
   "${LIBI2PD_SRC_DIR}/HTTP.cpp"