diff --git a/main.lua b/main.lua
index 0ab70c0..689304c 100644
--- a/main.lua
+++ b/main.lua
@@ -149,7 +149,7 @@ local function move_bubble(x, y, velocity_x, velocity_y)
         local diff_x = new_x - slot.x
         local diff_y = new_y - slot.y
         local dist = math.sqrt(diff_x * diff_x + diff_y * diff_y)
-        if dist <= game.bubble_diameter - 3 then -- -3 to allow squeezing through
+        if dist <= game.bubble_diameter - 6 then -- -6 to allow squeezing through
           should_stop = true
           break
         end