diff --git a/fabric/src/main/java/com/howlite/cobblemoncards/fabric/FabricCobblemonCards.java b/fabric/src/main/java/com/howlite/cobblemoncards/fabric/FabricCobblemonCards.java
index e126537..2f4ff07 100644
--- a/fabric/src/main/java/com/howlite/cobblemoncards/fabric/FabricCobblemonCards.java
+++ b/fabric/src/main/java/com/howlite/cobblemoncards/fabric/FabricCobblemonCards.java
@@ -340,6 +340,9 @@ public MerchantOffer getOffer(Entity entity, RandomSource random) {
     private static boolean isChestLootTable(net.minecraft.resources.ResourceLocation location) {
         if (location == null) return false;
         String path = location.getPath().toLowerCase(java.util.Locale.ROOT);
-        return path.startsWith("chests/") || path.contains("/chests/") || path.endsWith("_chest") || path.contains("chest");
+        // Block drop tables (blocks/chest, blocks/trapped_chest, ...) must never match
+        if (path.startsWith("blocks/")) return false;
+        // But accept chest loot tables (chests/simple_dungeon, chests/village/village_weaponsmith, mymod:structures/chests/ruins, ...)
+        return path.startsWith("chests/") || path.contains("/chests/");
     }
 }
diff --git a/neoforge/src/main/java/com/howlite/cobblemoncards/neoforge/NeoForgeCobblemonCards.java b/neoforge/src/main/java/com/howlite/cobblemoncards/neoforge/NeoForgeCobblemonCards.java
index 3432536..2f4c6a7 100644
--- a/neoforge/src/main/java/com/howlite/cobblemoncards/neoforge/NeoForgeCobblemonCards.java
+++ b/neoforge/src/main/java/com/howlite/cobblemoncards/neoforge/NeoForgeCobblemonCards.java
@@ -392,6 +392,9 @@ public void onAddReloadListeners(AddReloadListenerEvent event) {
     private static boolean isChestLootTable(ResourceLocation location) {
         if (location == null) return false;
         String path = location.getPath().toLowerCase(java.util.Locale.ROOT);
-        return path.startsWith("chests/") || path.contains("/chests/") || path.endsWith("_chest") || path.contains("chest");
+        // Block drop tables (blocks/chest, blocks/trapped_chest, ...) must never match
+        if (path.startsWith("blocks/")) return false;
+        // But accept chest loot tables (chests/simple_dungeon, chests/village/village_weaponsmith, mymod:structures/chests/ruins, ...)
+        return path.startsWith("chests/") || path.contains("/chests/");
     }
 }