diff --git a/main.go b/main.go
index 4376585..9e6d7ed 100644
--- a/main.go
+++ b/main.go
@@ -105,7 +105,7 @@ func f2hsv(h, s, v float64) *HSV {
 
 func rgb(s string) *RGB {
 	c := new(RGB)
-	fmt.Sscanf(s, "#%02x%02x%02x", c.r, c.g, c.b)
+	fmt.Sscanf(s, "#%02x%02x%02x", &c.r, &c.g, &c.b)
 	return c
 }