diff --git a/include/kernel/kint.h b/include/kernel/kint.h
index f70b22f..66f22b6 100644
--- a/include/kernel/kint.h
+++ b/include/kernel/kint.h
@@ -7,6 +7,8 @@
 
 typedef unsigned long size_t;
 
+typedef signed long ssize_t;
+
 typedef _Bool bool;
 
 enum