diff --git a/src/trap/laser.rs b/src/trap/laser.rs
index ca9948b..88a324a 100644
--- a/src/trap/laser.rs
+++ b/src/trap/laser.rs
@@ -231,7 +231,7 @@ impl StreamSource{
                         color: [0., 0., 0.],
                         weight: 0,
                     });
-                    for j in (0..=0xFFF).step_by(0xFFF / 10) {
+                    for j in (0..=0xFFF).step_by(0xFFF / 20) {
                         // go back and forth, so galvo has it easier
                         let y = if i % 2 == 0 { j } else {0xFFF - j}; 
                         points.push(laser::Point{