diff --git a/src/kernel/ucontext.rs b/src/kernel/ucontext.rs
index 6217a1d..16c29f1 100644
--- a/src/kernel/ucontext.rs
+++ b/src/kernel/ucontext.rs
@@ -11,7 +11,7 @@ use std::mem::MaybeUninit;
 #[derive(PartialEq)]
 pub struct UContextT {
     #[cfg(not(target_os = "windows"))] // struct non disponible sur la libc sur windows
-    pub buf: lib::ucontext_t,
+    pub buf: libc::ucontext_t,
     pub stackBottom: Vec<i8>
 }
 
@@ -19,8 +19,8 @@ pub struct UContextT {
 impl UContextT {
 
     pub fn new() -> Self {
-        let mut context = MaybeUninit::<ucontext_t>::uninit();
-        unsafe { lib::getcontext(context.as_mut_ptr()) };
+        let mut context = MaybeUninit::<libc::ucontext_t>::uninit();
+        unsafe { libc::getcontext(context.as_mut_ptr()) };
         Self {
             buf: unsafe  { context.assume_init() },
             stackBottom: Vec::default(),
@@ -32,7 +32,7 @@ impl UContextT {
     /// Use `man getcontext` for more informations
     pub fn get_context(&mut self) -> i32 {
         unsafe {
-            lib::getcontext(&mut self.buf)
+            libc::getcontext(&mut self.buf)
         }
     }
 
@@ -41,13 +41,13 @@ impl UContextT {
     /// Use `man setcontext` for more informations
     pub fn set_context(&mut self) -> i32 {
         unsafe {
-            lib::setcontext(&self.buf)
+            libc::setcontext(&self.buf)
         }
     }
 
     pub fn make_context(&mut self, func: extern "C" fn(), args: i32) {
         unsafe {
-            lib::makecontext(&mut self.buf, func, args)
+            libc::makecontext(&mut self.buf, func, args)
         }
     }