diff --git a/user/libs/libc/sysdeps/x86_64/elf/start.c b/user/libs/libc/sysdeps/x86_64/elf/start.c
index c9c270f6..0dfca2d2 100644
--- a/user/libs/libc/sysdeps/x86_64/elf/start.c
+++ b/user/libs/libc/sysdeps/x86_64/elf/start.c
@@ -1,10 +1,13 @@
 
-extern int main(int, char**);
-#include<libc/stdio.h>
-void _start(int argc, char** argv)
+#include <libc/stdio.h>
+#include <libc/stdlib.h>
+
+extern int main(int, char **);
+
+void _start(int argc, char **argv)
 {
-    printf("before main\n");
+    // printf("before main\n");
     int retval = main(argc, argv);
-    printf("before exit, code=%d\n", retval);
+    // printf("before exit, code=%d\n", retval);
     exit(retval);
 }
\ No newline at end of file