diff --git a/forge-ai/src/main/java/forge/ai/AiController.java b/forge-ai/src/main/java/forge/ai/AiController.java
index 5f21f377755..7851666ee70 100644
--- a/forge-ai/src/main/java/forge/ai/AiController.java
+++ b/forge-ai/src/main/java/forge/ai/AiController.java
@@ -796,7 +796,7 @@ public class AiController {
             }
 
             // if the profile specifies it, deprioritize Storm spells in an attempt to build up storm count
-            if (source.hasKeyword("Storm")) {
+            if (source.hasKeyword("Storm") && ai.getController() instanceof PlayerControllerAi) {
                 p -= (((PlayerControllerAi)ai.getController()).getAi().getIntProperty(AiProps.PRIORITY_REDUCTION_FOR_STORM_SPELLS));
             }