diff --git a/stack-scrolls.lic b/stack-scrolls.lic
index 11a2e97dcc..5b18f67f7b 100644
--- a/stack-scrolls.lic
+++ b/stack-scrolls.lic
@@ -85,10 +85,10 @@ class ScrollStack
 
     DRC.bput("turn #{DRC.get_noun(target['name'])} to #{query}", /^You turn/)
 
-    case DRC.bput("pull my #{target['name']}", 'This was the last copy', 'Carefully')
-    when /This was the last/i
+    case DRC.bput("pull my #{target['name']}", /This was the last copy/, /Carefully/)
+    when /This was the last/
       target['contents'][slot] = []
-    when /Carefully/i
+    when /Carefully/
       data = target['contents'][slot]
       data[1] = data[1] - 1
     end