diff --git a/thinkcspy/Chapter-16-Exercises/Problem9and10_gallons.py b/thinkcspy/Chapter-16-Exercises/Problem9and10_gallons.py
index f1af4ac..bb5653a 100644
--- a/thinkcspy/Chapter-16-Exercises/Problem9and10_gallons.py
+++ b/thinkcspy/Chapter-16-Exercises/Problem9and10_gallons.py
@@ -5,6 +5,10 @@
 def fillJug(rounds, jugA, jugB, target):
     pour = 0
 
+    if target > jugA["cap"]:
+        print("Target is too high. Reducing target to Jug A's capacity.")
+        target = jugA["cap"]
+
     if jugA["state"] == target:
         print("Target reached")
         return