diff --git a/loader.s b/loader.s
index 7a65bdf..ea24c2d 100644
--- a/loader.s
+++ b/loader.s
@@ -9,7 +9,7 @@ CHECKSUM 		equ -MAGIC_NUMBER
 
 ; size in bytes of stack 
 KERNEL_STACK_SIZE	equ 4096
-extern test_fb
+extern test_write
 
 section .text
 ; align all instructions to 4 byte boundary by the x86 instruction set law
@@ -20,7 +20,7 @@ align 4
 	dd CHECKSUM
 
 loader:
-	call test_fb
+	call test_write
 
 .loop:
 	jmp .loop