diff --git a/zoneminder-config.cmake b/zoneminder-config.cmake
index 6dd6fc48a..34676b1b5 100644
--- a/zoneminder-config.cmake
+++ b/zoneminder-config.cmake
@@ -55,6 +55,8 @@
 #cmakedefine HAVE_LIBSWSCALE_SWSCALE_H 1
 #cmakedefine HAVE_LIBVLC 1
 #cmakedefine HAVE_VLC_VLC_H 1
+#cmakedefine HAVE_LIBX264 1
+#cmakedefine HAVE_X264_H 1
 
 /* Authenication checks */
 #cmakedefine HAVE_MD5_OPENSSL 1