diff --git a/Part3/09_memory/kernel/kernel.c b/Part3/09_memory/kernel/kernel.c
index d474d87..d0dbc1a 100644
--- a/Part3/09_memory/kernel/kernel.c
+++ b/Part3/09_memory/kernel/kernel.c
@@ -39,7 +39,7 @@
             if (sstrlen(input, 15) > 4) {
                 char *number = input + 4;
                 kprint(number);
-                int result = digit_conver(number);
+                u32 result = digit_conver(number);
             }
             umem_head = add_node( umem_head, 0x10000, 0x100, true, global_id++);
         } else if (strcmp(input, "LIST") == 0) {