diff --git a/render.go b/render.go
index acc31a7..a79905e 100644
--- a/render.go
+++ b/render.go
@@ -178,7 +178,7 @@ func mandelbrot(c complex128) uint16 {
 	for i := 0; i < Iterations; i++ {
 		z = z*z + c
 		if cmplx.IsNaN(z) {
-			return uint16(i * 1024)
+			return uint16(i)
 		}
 	}
 	return Iterations