diff --git a/src/Mono.cs b/src/Mono.cs
index 0b1c517..62ecafc 100644
--- a/src/Mono.cs
+++ b/src/Mono.cs
@@ -63,8 +63,9 @@ static class Mono
             box_pose.position = Rig.head.position + Rig.head.orientation * V.XYZ(0, -(SD_Y + 0.5f) * box_scale, -32 * U.cm);
         }
 
-        // filter out neck breaking from snake_dir value set
-        if (snake[0] + Rig.new_dir != snake[1])
+        XYZi next_pos = snake[0] + Rig.new_dir;
+        bool neck_break = next_pos == snake[1];
+        if (!neck_break)
         {
             snake_dir = Rig.new_dir;
         }