diff --git a/src/modules/chains/schemas.ts b/src/modules/chains/schemas.ts
index 46b49635..e4e692e0 100644
--- a/src/modules/chains/schemas.ts
+++ b/src/modules/chains/schemas.ts
@@ -64,6 +64,7 @@ const chainConfigSchemaBase = z.object({
   l1ChainId: chainConfigIdSchema.optional(),
   gasPriceMode: z.enum(["standard", "fast", "rapid"]).default("standard"),
   gasCacheDuration: z.number().default(30000), // TODO: Add schema
+  feeHistoryBlockTagOverride: z.string().optional(),
   eip1559: z.boolean().default(false),
   paymasterFunding: etherSchema.default("0.025"),
   paymasterFundingThreshold: etherSchema.default("0"),
diff --git a/src/modules/gas-manager/gas-manager.service.ts b/src/modules/gas-manager/gas-manager.service.ts
index 41b77136..12f766c0 100644
--- a/src/modules/gas-manager/gas-manager.service.ts
+++ b/src/modules/gas-manager/gas-manager.service.ts
@@ -3,6 +3,7 @@ import { BadRequestException, withTrace } from "@/common";
 import { Logger } from "@/core/logger";
 import { RpcManagerService } from "@/rpc-manager";
 import { Service } from "typedi";
+import type { BlockTag } from "viem";
 import {
   type GasInfo,
   type GasManagerConfig,
@@ -293,6 +294,10 @@ export class GasManagerService {
       if (gasPriceMode === "fast") blockCount = 5;
       if (gasPriceMode === "rapid") blockCount = 2;
 
+      const chainConfig = this.chainsService.getChainSettings(chainId);
+      const blockTag: BlockTag =
+        (chainConfig.feeHistoryBlockTagOverride as BlockTag) ?? "pending";
+
       return await withTrace(
         "gasManager.getFeeHistory",
         async () =>
@@ -301,7 +306,7 @@ export class GasManagerService {
             (chainClient) => {
               return chainClient.getFeeHistory({
                 blockCount,
-                blockTag: "pending",
+                blockTag,
                 rewardPercentiles,
               });
             },