diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7bcb6ba..5951a05 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,13 +92,13 @@ else()
     if (NOT OpenSSL_FOUND)
         set(LIVE555CFLAGS ${LIVE555CFLAGS} -DNO_OPENSSL=1)
     endif()
-    add_definitions(${LIVE555CFLAGS})
 endif()
 
 # librtsp
 aux_source_directory(src LIBV4L2RTSP_SRC_FILES)
 add_library (libv4l2rtspserver STATIC ${LIVESOURCE} ${LIBV4L2RTSP_SRC_FILES})	
 target_include_directories(libv4l2rtspserver PUBLIC inc ${LIVEINCLUDE})
+target_compile_definitions(libv4l2rtspserver PUBLIC ${LIVE555CFLAGS})
 target_link_libraries (${PROJECT_NAME} libv4l2rtspserver ${LIVE_LIBRARIES}) 
 if (OpenSSL_FOUND)
     target_link_libraries(${PROJECT_NAME} OpenSSL::SSL)