diff --git a/pluginssrv/channeltx/CMakeLists.txt b/pluginssrv/channeltx/CMakeLists.txt
index 6e54c0637..30118e09e 100644
--- a/pluginssrv/channeltx/CMakeLists.txt
+++ b/pluginssrv/channeltx/CMakeLists.txt
@@ -1,8 +1,13 @@
 project(mod)
 
+find_package(OpenCV)
+
 add_subdirectory(modam)
-add_subdirectory(modatv)
 add_subdirectory(modnfm)
 add_subdirectory(modssb)
 add_subdirectory(modwfm)
 add_subdirectory(udpsink)
+
+if (OpenCV_FOUND)
+add_subdirectory(modatv)
+endif()