diff --git a/kernel_main.d b/kernel_main.d
index f75d7e6..653e9b2 100644
--- a/kernel_main.d
+++ b/kernel_main.d
@@ -4,7 +4,7 @@ extern (C) void mykernel_main() {
 
 void write(string message) {
     ubyte * vidmem = cast(ubyte *) 0xB8000u;
-    for (size_t i = 0u; message[i] != '\0'; i++) {
+    for (size_t i = 0u; i < message.length; i++) {
         vidmem[i * 2] = message[i];
         vidmem[i * 2 + 1] = 7u;
     }