diff --git a/include/types/status.h b/include/types/status.h
index 4e45672..0f35b73 100644
--- a/include/types/status.h
+++ b/include/types/status.h
@@ -3,8 +3,11 @@
 enum status_t
 {
     S_OK = 0,
-    S_BAD_SYSCALL,
-    S_OUT_OF_MEMORY,
+    S_NULL_POINTER,
     S_OUT_OF_BOUNDS,
-    S_NULL_POINTER
+    S_INVALID_ARGUMENT,
+    S_OUT_OF_MEMORY,
+    S_DOESNT_EXIST,
+    S_EXISTS,
+    S_BAD_SYSCALL
 };
\ No newline at end of file