diff --git a/common/rfb/CMakeLists.txt b/common/rfb/CMakeLists.txt
index 82f4a0c..23a2d19 100644
--- a/common/rfb/CMakeLists.txt
+++ b/common/rfb/CMakeLists.txt
@@ -156,6 +156,7 @@ if (ENABLE_LIBYUV)
     find_library(LIBYUV_LIBRARY NAMES yuv)
     #pkg_check_modules(LIBYUV libyuv)
     if (LIBYUV_FOUND)
+        add_definitions(-DLIBYUV_CONVERSION)
         set(RFB_LIBRARIES ${RFB_LIBRARIES} ${LIBYUV_LIBRARY})
     endif ()
 endif ()