diff --git a/cadence/contracts/utils/SerializeMetadata.cdc b/cadence/contracts/utils/SerializeMetadata.cdc
index d90fed98..3f3911df 100644
--- a/cadence/contracts/utils/SerializeMetadata.cdc
+++ b/cadence/contracts/utils/SerializeMetadata.cdc
@@ -130,7 +130,7 @@ access(all) contract SerializeMetadata {
             }
             serializedResult = serializedResult.concat("{")
             .concat("\"trait_type\": ").concat(Serialize.tryToJSONString(trait.name)!)
-            .concat(", \"display_type\": ").concat(Serialize.tryToJSONString(trait.display_type)!)
+            .concat(", \"display_type\": ").concat(Serialize.tryToJSONString(trait.displayType)!)
             .concat(", \"value\": ").concat(value!)
             .concat("}")
             if i < traits!.traits.length - 1 {
diff --git a/cadence/tests/serialize_metadata_tests.cdc b/cadence/tests/serialize_metadata_tests.cdc
index 40498d5c..0b5b6b98 100644
--- a/cadence/tests/serialize_metadata_tests.cdc
+++ b/cadence/tests/serialize_metadata_tests.cdc
@@ -57,8 +57,8 @@ fun testSerializeNFTSucceeds() {
     let heightString = mintedBlockHeight.toString()
 
     let expectedPrefix = "data:application/json;utf8,{\"name\": \"ExampleNFT\", \"description\": \"Example NFT Collection\", \"image\": \"https://flow.com/examplenft.jpg\", \"external_url\": \"https://example-nft.onflow.org\", "
-    let altSuffix1 = "\"attributes\": [{\"trait_type\": \"mintedBlock\", \"value\": \"".concat(heightString).concat("\"},{\"trait_type\": \"foo\", \"value\": \"nil\"}]}")
-    let altSuffix2 = "\"attributes\": [{\"trait_type\": \"foo\", \"value\": \"nil\"}]}, {\"trait_type\": \"mintedBlock\", \"value\": \"".concat(heightString).concat("\"}")
+    let altSuffix1 = "\"attributes\": [{\"trait_type\": \"mintedBlock\", \"display_type\": \"nil\", \"value\": \"".concat(heightString).concat("\"},{\"trait_type\": \"foo\", \"display_type\": \"nil\", \"value\": \"nil\"}]}")
+    let altSuffix2 = "\"attributes\": [{\"trait_type\": \"foo\", \"display_type\": \"nil\", \"value\": \"nil\"}]}, {\"trait_type\": \"mintedBlock\", \"display_type\": \"nil\", \"value\": \"".concat(heightString).concat("\"}")
 
     let idsResult = executeScript(
         "../scripts/nft/get_ids.cdc",