diff --git a/CMakeLists.txt b/CMakeLists.txt
index 19b4a09..eaade08 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,9 @@ cmake_minimum_required(VERSION 3.17.0)
 # Start Project
 project(runtime)
 
+# Warnings
+add_compile_options(-Wall -Wextra -Werror -Wpointer-arith -Wshadow -Wnull-dereference)
+
 # Headers
 add_subdirectory(lib)
 if(TARGET trampoline)
@@ -30,9 +33,6 @@ if(NOT DONT_USE_QEMU)
     )
 endif()
 
-# Warnings
-target_compile_options(runtime PRIVATE -Wall -Wextra -Werror -Wpointer-arith -Wshadow -Wnull-dereference)
-
 # Link
 target_link_libraries(runtime
     dl
diff --git a/lib/src/syscall.cpp b/lib/src/syscall.cpp
index dfaf0d9..44655b4 100644
--- a/lib/src/syscall.cpp
+++ b/lib/src/syscall.cpp
@@ -9,6 +9,6 @@ bool SyscallTrampoline::should_use() {
 }
 
 // Call
-Trampoline::Error SyscallTrampoline::call(const uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) {
+Trampoline::Error SyscallTrampoline::call(const uint32_t id, uint32_t *ret_ptr, __attribute__((unused)) uint32_t length, const unsigned char *args) {
     return syscall(TRAMPOLINE_SYSCALL, id, ret_ptr, args) != 0 ? Error::SYSCALL : Error::NONE;
 }