diff --git a/components/lwip/CMakeLists.txt b/components/lwip/CMakeLists.txt
index 4daec4c224..0656576f66 100644
--- a/components/lwip/CMakeLists.txt
+++ b/components/lwip/CMakeLists.txt
@@ -1,4 +1,5 @@
 idf_build_get_property(target IDF_TARGET)
+set(srcs "")
 
 if(CONFIG_LWIP_ENABLE)
     if(NOT ${target} STREQUAL "linux")