diff --git a/Resources/Prototypes/Objectives/thief.yml b/Resources/Prototypes/Objectives/thief.yml
index 5798071f0264..2dbb2cc33956 100644
--- a/Resources/Prototypes/Objectives/thief.yml
+++ b/Resources/Prototypes/Objectives/thief.yml
@@ -118,7 +118,7 @@
   - type: StealCondition
     stealGroup: IDCard
     minCollectionSize: 5
-    maxCollectionSize: 15
+    maxCollectionSize: 10
     verifyMapExistence: false
   - type: Objective
     difficulty: 0.7