diff --git a/builders/ms2.cmake b/builders/ms2.cmake
index 4a117dfb0358bebd475c9fe85308826602446ec6..8b31b6dac9783cb95ac240468e891acb9c402c2d 100644
--- a/builders/ms2.cmake
+++ b/builders/ms2.cmake
@@ -111,6 +111,7 @@ endif()
 if(ENABLE_V4L AND LINPHONE_BUILDER_BUILD_DEPENDENCIES)
 	list(APPEND EP_ms2_DEPENDENCIES EP_v4l)
 endif()
+list(APPEND EP_ms2_CMAKE_OPTIONS "-DENABLE_MKV=${ENABLE_MKV}")
 if(ENABLE_MKV)
 	list(APPEND EP_ms2_DEPENDENCIES EP_matroska2)
 endif()