diff --git a/forge-game/src/main/java/forge/game/player/Player.java b/forge-game/src/main/java/forge/game/player/Player.java
index 42908ea4965..2e5f694eb72 100644
--- a/forge-game/src/main/java/forge/game/player/Player.java
+++ b/forge-game/src/main/java/forge/game/player/Player.java
@@ -2132,12 +2132,8 @@ public class Player extends GameEntity implements Comparable<Player> {
         return lost;
     }
 
-    public final boolean hasProwl(final Set<String> types) {
-        StringBuilder sb = new StringBuilder();
-        for (String type : types) {
-            sb.append("Card.YouCtrl+").append(type).append(",");
-        }
-        return !game.getDamageDoneThisTurn(true, true, sb.toString(), "Player", null, this, null).isEmpty();
+    public final boolean hasProwl(final SpellAbility sa) {
+        return !game.getDamageDoneThisTurn(true, true, "Card.YouCtrl+sharesCreatureTypeWith", "Player", sa.getHostCard(), this, sa).isEmpty();
     }
 
     public final boolean hasFreerunning() {
diff --git a/forge-game/src/main/java/forge/game/spellability/SpellAbilityRestriction.java b/forge-game/src/main/java/forge/game/spellability/SpellAbilityRestriction.java
index a1c2876bb62..512ef4e4ec4 100644
--- a/forge-game/src/main/java/forge/game/spellability/SpellAbilityRestriction.java
+++ b/forge-game/src/main/java/forge/game/spellability/SpellAbilityRestriction.java
@@ -440,7 +440,7 @@ public class SpellAbilityRestriction extends SpellAbilityVariables {
             }
         }
         if (sa.isProwl()) {
-            if (!activator.hasProwl(c.getType().getCreatureTypes())) {
+            if (!activator.hasProwl(sa)) {
                 return false;
             }
         }