diff --git a/components/esp_phy/CMakeLists.txt b/components/esp_phy/CMakeLists.txt
index 24defd87b17..b56525c7f1f 100644
--- a/components/esp_phy/CMakeLists.txt
+++ b/components/esp_phy/CMakeLists.txt
@@ -120,7 +120,7 @@ if(CONFIG_ESP_PHY_ENABLED)
             add_custom_command(
                 OUTPUT ${phy_init_data_bin}
                 DEPENDS ${CMAKE_CURRENT_LIST_DIR}/${idf_target}/phy_init_data.c
-                COMMAND ${CMAKE_C_COMPILER} -c ${CMAKE_CURRENT_LIST_DIR}/${idf_target}/phy_init_data.c
+                COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} -c ${CMAKE_CURRENT_LIST_DIR}/${idf_target}/phy_init_data.c
                 -I ${esp_common_dir}/include -I ${CMAKE_CURRENT_LIST_DIR}/include
                 -I ${CMAKE_CURRENT_LIST_DIR}/${idf_target}/include -I ${esp_rom_dir}/include
                 -I ${soc_dir}/${idf_target}/include -I ${newlib_dir}/platform_include