diff --git a/components/esp_coex/CMakeLists.txt b/components/esp_coex/CMakeLists.txt
index e6f8699772..a1da2af74c 100644
--- a/components/esp_coex/CMakeLists.txt
+++ b/components/esp_coex/CMakeLists.txt
@@ -1,5 +1,7 @@
 idf_build_get_property(idf_target IDF_TARGET)
 
+set(srcs "")
+
 if(${idf_target} STREQUAL "linux")
     return() # This component is not supported by the POSIX/Linux simulator
 endif()