diff --git a/core/sys/linux/constants.odin b/core/sys/linux/constants.odin
index ecd630fa9..6b4c001a8 100644
--- a/core/sys/linux/constants.odin
+++ b/core/sys/linux/constants.odin
@@ -12,7 +12,7 @@ STDIN_FILENO :: Fd(0)
 STDOUT_FILENO :: Fd(1)
 
 /*
-	Standard output file descriptor
+	Standard error file descriptor
 */
 STDERR_FILENO :: Fd(2)
 
diff --git a/core/sys/linux/sys.odin b/core/sys/linux/sys.odin
index 7bec8eee2..d98b95113 100644
--- a/core/sys/linux/sys.odin
+++ b/core/sys/linux/sys.odin
@@ -223,7 +223,7 @@ rt_sigprocmask :: proc "contextless" (mask_kind: Sig_Mask_Kind, new_set: ^Sig_Se
 	ioctls.h file to learn more.
 	Available since Linux 1.0.
 */
-ioctl :: proc "contextless" (fd: Fd, request: u64, arg: u64) -> (Errno) {
+ioctl :: proc "contextless" (fd: Fd, request: i32, arg: uintptr) -> (Errno) {
 	ret := syscall(SYS_ioctl, fd, request, arg)
 	return Errno(-ret)
 }