diff --git a/ch3-asm/ch3-04-func.md b/ch3-asm/ch3-04-func.md
index 4421120..be389b8 100644
--- a/ch3-asm/ch3-04-func.md
+++ b/ch3-asm/ch3-04-func.md
@@ -246,7 +246,7 @@ func main() {
 
 func printsum(a, b int) {
 	var ret = sum(a, b)
-	println(sum)
+	println(ret)
 }
 
 func sum(a, b int) int {