diff --git a/CMakeLists.txt b/CMakeLists.txt
index bf9a4fc78..bd823a933 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -241,11 +241,14 @@ if(MSVC)
 endif()
 
 add_definitions("-DLINPHONE_EXPORTS")
-set(LINPHONE_CPPFLAGS ${MEDIASTREAMER2_CPPFLAGS})
+set(LINPHONE_CPPFLAGS ${BELCARD_CPPFLAGS} ${BELLESIP_CPPFLAGS} ${MEDIASTREAMER2_CPPFLAGS} ${BCTOOLBOX_CPPFLAGS})
 if(ENABLE_STATIC)
 	list(APPEND LINPHONE_CPPFLAGS "-DLINPHONE_STATIC")
+endif()
+if(LINPHONE_CPPFLAGS)
 	add_definitions(${LINPHONE_CPPFLAGS})
 endif()
+
 if(ENABLE_DEBUG_LOGS)
 	add_definitions("-DDEBUG")
 endif()