diff --git a/include/libssh/CMakeLists.txt b/include/libssh/CMakeLists.txt
index 54bf7357..78ee1c61 100644
--- a/include/libssh/CMakeLists.txt
+++ b/include/libssh/CMakeLists.txt
@@ -4,6 +4,7 @@ set(libssh_HDRS
   callbacks.h
   libssh.h
   ssh2.h
+  legacy.h
 )
 
 if (WITH_SFTP)