diff --git a/console.asm b/console.asm
index f45605b..e7cf03c 100644
--- a/console.asm
+++ b/console.asm
@@ -110,7 +110,9 @@ printf:
 				push	rdx
 				push	r8
 				push	r10
+				push	rsi
 				call	itoa
+				pop	rsi
 				pop	r10
 				pop	r8
 				pop	rdx
diff --git a/core.asm b/core.asm
index b3eb267..aaa9027 100644
--- a/core.asm
+++ b/core.asm
@@ -173,7 +173,6 @@ itoa:
 	mov	byte [rsi], 0
 
 	.quit:
-	pop	rsi
-	mov	rax, rsi
+	pop	rax
 	leave
 	ret