diff --git a/eth/catalyst/api.go b/eth/catalyst/api.go
index f549f29dc6..cb3c77faa9 100644
--- a/eth/catalyst/api.go
+++ b/eth/catalyst/api.go
@@ -219,7 +219,7 @@ func (api *ConsensusAPI) ForkchoiceUpdatedV3(update engine.ForkchoiceStateV1, pa
 		if params.BeaconRoot == nil {
 			return engine.STATUS_INVALID, engine.InvalidPayloadAttributes.With(errors.New("missing beacon root"))
 		}
-		if api.eth.BlockChain().Config().LatestFork(params.Timestamp) != forks.Cancun {
+		if api.eth.BlockChain().Config().LatestFork(params.Timestamp) < forks.Cancun { // Changed from != to < to support Prague
 			return engine.STATUS_INVALID, engine.UnsupportedFork.With(errors.New("forkchoiceUpdatedV3 must only be called for cancun payloads"))
 		}
 	}
@@ -514,7 +514,7 @@ func (api *ConsensusAPI) NewPayloadV3(params engine.ExecutableData, versionedHas
 		return engine.PayloadStatusV1{Status: engine.INVALID}, engine.InvalidParams.With(errors.New("nil beaconRoot post-cancun"))
 	}
 
-	if api.eth.BlockChain().Config().LatestFork(params.Timestamp) != forks.Cancun {
+	if api.eth.BlockChain().Config().LatestFork(params.Timestamp) < forks.Cancun { // Changed from != to < to support Prague
 		return engine.PayloadStatusV1{Status: engine.INVALID}, engine.UnsupportedFork.With(errors.New("newPayloadV3 must only be called for cancun payloads"))
 	}
 	return api.newPayload(params, versionedHashes, beaconRoot)
diff --git a/params/config.go b/params/config.go
index 439e882189..c037639ed6 100644
--- a/params/config.go
+++ b/params/config.go
@@ -184,6 +184,7 @@ var (
 		GrayGlacierBlock:              big.NewInt(0),
 		ShanghaiTime:                  newUint64(0),
 		CancunTime:                    newUint64(0),
+		PragueTime:                    newUint64(0),
 		TerminalTotalDifficulty:       big.NewInt(0),
 		TerminalTotalDifficultyPassed: true,
 	}