diff --git a/script/imgtest.py b/script/imgtest.py
index f03b927..70df86b 100644
--- a/script/imgtest.py
+++ b/script/imgtest.py
@@ -17,8 +17,8 @@ class MyFilter(Filter):
         (results_samples,output_samples) = detect_samples(ip)
         invert(output_puck)
         invert(output_samples)
+        op_image(output_puck, output_samples, "add")
         op_image(ip, output_puck, "add")
-        op_image(ip, output_samples, "add")
         return ip.getBufferedImage()
 
 #Setting the filter to a source