diff --git a/tests/test_execution_types.nim b/tests/test_execution_types.nim
index bef897e..a02ee76 100644
--- a/tests/test_execution_types.nim
+++ b/tests/test_execution_types.nim
@@ -74,12 +74,21 @@ suite "Execution types tests":
     v2.excessBlobGas = none(Quantity)
     var v1 = v2
     v1.withdrawals = none(seq[WithdrawalV1])
-    check badv31.version == Version.V2
-    check badv32.version == Version.V2
+    check badv31.version == Version.V3
+    check badv32.version == Version.V3
     check v2.version == Version.V2
     check v1.version == Version.V1
     check payload.version == Version.V3
 
+    let v31 = badv31.V3
+    check v31.excessBlobGas == payload.excessBlobGas.get
+    check v31.blobGasUsed == 0.Quantity
+
+    let v32 = badv32.V3
+    check v32.excessBlobGas == 0.Quantity
+    check v32.blobGasUsed == payload.blobGasUsed.get
+
+
   test "attr version":
     var v2 = attr
     v2.parentBeaconBlockRoot = none(Hash256)
@@ -99,12 +108,20 @@ suite "Execution types tests":
     v2.shouldOverrideBuilder = none(bool)
     var v1 = v2
     v1.blockValue = none(UInt256)
-    check badv31.version == Version.V2
-    check badv32.version == Version.V2
+    check badv31.version == Version.V3
+    check badv32.version == Version.V3
     check v2.version == Version.V2
     check v1.version == Version.V1
     check response.version == Version.V3
 
+    let v31 = badv31.V3
+    check v31.blobsBundle == BlobsBundleV1()
+    check v31.shouldOverrideBuilder == response.shouldOverrideBuilder.get
+
+    let v32 = badv32.V3
+    check v32.blobsBundle == response.blobsBundle.get
+    check v32.shouldOverrideBuilder == false
+
   test "ExecutionPayload roundtrip":
     let v3 = payload.V3
     check v3 == v3.executionPayload.V3
diff --git a/web3/execution_types.nim b/web3/execution_types.nim
index 539533a..abd224b 100644
--- a/web3/execution_types.nim
+++ b/web3/execution_types.nim
@@ -1,5 +1,5 @@
 # nim-web3
-# Copyright (c) 2023 Status Research & Development GmbH
+# Copyright (c) 2023-2024 Status Research & Development GmbH
 # Licensed under either of
 #  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
 #  * MIT license ([LICENSE-MIT](LICENSE-MIT))
@@ -61,7 +61,7 @@ type
 {.push raises: [].}
 
 func version*(payload: ExecutionPayload): Version =
-  if payload.blobGasUsed.isSome and payload.excessBlobGas.isSome:
+  if payload.blobGasUsed.isSome or payload.excessBlobGas.isSome:
     Version.V3
   elif payload.withdrawals.isSome:
     Version.V2
@@ -77,7 +77,7 @@ func version*(attr: PayloadAttributes): Version =
     Version.V1
 
 func version*(res: GetPayloadResponse): Version =
-  if res.blobsBundle.isSome and res.shouldOverrideBuilder.isSome:
+  if res.blobsBundle.isSome or res.shouldOverrideBuilder.isSome:
     Version.V3
   elif res.blockValue.isSome:
     Version.V2
@@ -240,8 +240,8 @@ func V3*(p: ExecutionPayload): ExecutionPayloadV3 =
     blockHash: p.blockHash,
     transactions: p.transactions,
     withdrawals: p.withdrawals.get,
-    blobGasUsed: p.blobGasUsed.get,
-    excessBlobGas: p.excessBlobGas.get
+    blobGasUsed: p.blobGasUsed.get(0.Quantity),
+    excessBlobGas: p.excessBlobGas.get(0.Quantity)
   )
 
 func V1*(p: ExecutionPayloadV1OrV2): ExecutionPayloadV1 =
@@ -371,8 +371,8 @@ func V3*(res: GetPayloadResponse): GetPayloadV3Response =
   GetPayloadV3Response(
     executionPayload: res.executionPayload.V3,
     blockValue: res.blockValue.get,
-    blobsBundle: res.blobsBundle.get,
-    shouldOverrideBuilder: res.shouldOverrideBuilder.get
+    blobsBundle: res.blobsBundle.get(BlobsBundleV1()),
+    shouldOverrideBuilder: res.shouldOverrideBuilder.get(false)
   )
 
 func getPayloadResponse*(x: ExecutionPayloadV1): GetPayloadResponse =