diff --git a/forge-ai/src/main/java/forge/ai/ComputerUtil.java b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
index 71634a133b0..6f6ceea1985 100644
--- a/forge-ai/src/main/java/forge/ai/ComputerUtil.java
+++ b/forge-ai/src/main/java/forge/ai/ComputerUtil.java
@@ -630,7 +630,7 @@ public class ComputerUtil {
         }
 
         if (typeList.size() < amount) {
-            return null;
+            return new ArrayList<Card>();
         }
 
         CardLists.sortByPowerAsc(typeList);