diff --git a/examples/tokens/ERC1155ownable.vy b/examples/tokens/ERC1155ownable.vy
index 28abaf0e23..fbc7ecb5dc 100644
--- a/examples/tokens/ERC1155ownable.vy
+++ b/examples/tokens/ERC1155ownable.vy
@@ -91,7 +91,7 @@ event ApprovalForAll:
 event URI:
     # This emits when the URI gets changed
     value: String[MAX_URI_LENGTH]
-    id: uint256
+    id: indexed(uint256)
 
 ############### interfaces ###############
 implements: ERC165