diff --git a/eth/gasprice/feehistory.go b/eth/gasprice/feehistory.go
index 4d7e439437..598972181a 100644
--- a/eth/gasprice/feehistory.go
+++ b/eth/gasprice/feehistory.go
@@ -42,6 +42,8 @@ const (
 	// maxBlockFetchers is the max number of goroutines to spin up to pull blocks
 	// for the fee history calculation (mostly relevant for LES).
 	maxBlockFetchers = 4
+	// maxQueryLimit is the max number of requested percentiles.
+	maxQueryLimit = 100
 )
 
 // blockFees represents a single block for processing
@@ -221,6 +223,9 @@ func (oracle *Oracle) FeeHistory(ctx context.Context, blocks uint64, unresolvedL
 	if len(rewardPercentiles) != 0 {
 		maxFeeHistory = oracle.maxBlockHistory
 	}
+	if len(rewardPercentiles) > maxQueryLimit {
+		return common.Big0, nil, nil, nil, fmt.Errorf("%w: over the query limit %d", errInvalidPercentile, maxQueryLimit)
+	}
 	if blocks > maxFeeHistory {
 		log.Warn("Sanitizing fee history length", "requested", blocks, "truncated", maxFeeHistory)
 		blocks = maxFeeHistory