diff --git a/day17.py b/day17.py
index f7121a3..238a863 100644
--- a/day17.py
+++ b/day17.py
@@ -7,6 +7,8 @@ def fire(velX: int, velY: int, minX: int, maxX: int, minY: int, maxY: int) -> (b
     while not posX > maxX and not posY < minY:
         if velX > 0:
             velX -= 1
+        elif posX < minX:
+            break
         velY -= 1
 
         posX += velX