diff --git a/code/fillmem/fillmem.s b/code/fillmem/fillmem.s
index 02d0e0c..b94b072 100644
--- a/code/fillmem/fillmem.s
+++ b/code/fillmem/fillmem.s
@@ -8,13 +8,13 @@
 BASE_ADDR equ 0x0000
 
 Main:
-	li $t0, 0xA000 ; $t0 = 0xA000
-	li $t1, 0xA100 ; $t1 = 0xA100
-	li $t2, 0x11   ; $t2 = 0x11
+	li $t0, 0xA000     ; $t0 = 0xA000
+	li $t1, 0xA100     ; $t1 = 0xA100
+	li $t2, 0x11111111 ; $t2 = 0x11111111
 
 Loop:
-	sb   $t2, BASE_ADDR($t0) ; $Store byte at 0x0000 + t0
-	addi $t0, $t0, 1         ; ++ t0
+	sw   $t2, BASE_ADDR($t0) ; Store byte at 0x0000 + t0
+	addi $t0, $t0, 4         ; ++ t0
 	blt  $t0, $t1, Loop      ; while (t0 < t1) keep looping
 
 .close