diff --git a/elfloader-tool/CMakeLists.txt b/elfloader-tool/CMakeLists.txt
index 99bf0997..f8b9792e 100644
--- a/elfloader-tool/CMakeLists.txt
+++ b/elfloader-tool/CMakeLists.txt
@@ -105,7 +105,7 @@ config_option(
 
 add_config_library(elfloader "${configure_string}")
 
-add_compile_options(-D_XOPEN_SOURCE=700 -ffreestanding -Wall -Werror -W -Wextra)
+add_compile_options(-D_XOPEN_SOURCE=700 -ffreestanding -Wall -Werror -W -Wextra -WShadow)
 set(linkerScript "${CMAKE_CURRENT_LIST_DIR}/src/arch-${KernelArch}/linker.lds")
 if(KernelArchRiscV)
     add_compile_options(-mcmodel=medany)