diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a604da1ba..efa363a5e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,13 @@ and this project adheres to
 
 [#1489]: https://github.com/cosmos/cosmjs/pull/1489
 
+### Fixed
+
+- @cosmjs/stargate: Handle key value pairs in tx search correctly if the value
+  is a numeric value. ([#1462])
+
+[#1462] : https://github.com/cosmos/cosmjs/issues/1462
+
 ### Changed
 
 - all: Upgrade cosmjs-types to 0.9.0. This makes a few fields non-optional. It
diff --git a/packages/cosmwasm-stargate/src/cosmwasmclient.ts b/packages/cosmwasm-stargate/src/cosmwasmclient.ts
index c2e278712c..c4b3e14c5c 100644
--- a/packages/cosmwasm-stargate/src/cosmwasmclient.ts
+++ b/packages/cosmwasm-stargate/src/cosmwasmclient.ts
@@ -12,6 +12,7 @@ import {
   DeliverTxResponse,
   fromTendermintEvent,
   IndexedTx,
+  isSearchTxQueryArray,
   QueryClient,
   SearchTxQuery,
   SequenceResponse,
@@ -216,8 +217,14 @@ export class CosmWasmClient {
     let rawQuery: string;
     if (typeof query === "string") {
       rawQuery = query;
-    } else if (Array.isArray(query)) {
-      rawQuery = query.map((t) => `${t.key}='${t.value}'`).join(" AND ");
+    } else if (isSearchTxQueryArray(query)) {
+      rawQuery = query
+        .map((t) => {
+          // numeric values must not have quotes https://github.com/cosmos/cosmjs/issues/1462
+          if (typeof t.value === "string") return `${t.key}='${t.value}'`;
+          else return `${t.key}=${t.value}`;
+        })
+        .join(" AND ");
     } else {
       throw new Error("Got unsupported query type. See CosmJS 0.31 CHANGELOG for API breaking changes here.");
     }
diff --git a/packages/stargate/src/index.ts b/packages/stargate/src/index.ts
index 0e999d79af..e424bed7c2 100644
--- a/packages/stargate/src/index.ts
+++ b/packages/stargate/src/index.ts
@@ -113,7 +113,7 @@ export {
   QueryClient,
   QueryStoreResponse,
 } from "./queryclient";
-export { SearchTxQuery } from "./search";
+export { isSearchTxQueryArray, SearchPair, SearchTxQuery } from "./search";
 export {
   createDefaultAminoConverters,
   defaultRegistryTypes,
diff --git a/packages/stargate/src/search.ts b/packages/stargate/src/search.ts
index fd49c2a2f4..a26942e312 100644
--- a/packages/stargate/src/search.ts
+++ b/packages/stargate/src/search.ts
@@ -1,9 +1,14 @@
+/** A key value pair for searching transactions */
+export interface SearchPair {
+  readonly key: string;
+  readonly value: string | number | bigint;
+}
+
 /**
  * This query type allows you to pass arbitrary key/value pairs to the backend.
  */
-export type SearchTxQuery =
-  | string
-  | ReadonlyArray<{
-      readonly key: string;
-      readonly value: string;
-    }>;
+export type SearchTxQuery = string | readonly SearchPair[];
+
+export function isSearchTxQueryArray(query: SearchTxQuery): query is readonly SearchPair[] {
+  return Array.isArray(query);
+}
diff --git a/packages/stargate/src/stargateclient.ts b/packages/stargate/src/stargateclient.ts
index b48aaacc7b..b958d990a0 100644
--- a/packages/stargate/src/stargateclient.ts
+++ b/packages/stargate/src/stargateclient.ts
@@ -22,7 +22,7 @@ import {
   TxExtension,
 } from "./modules";
 import { QueryClient } from "./queryclient";
-import { SearchTxQuery } from "./search";
+import { isSearchTxQueryArray, SearchTxQuery } from "./search";
 
 export class TimeoutError extends Error {
   public readonly txId: string;
@@ -386,8 +386,14 @@ export class StargateClient {
     let rawQuery: string;
     if (typeof query === "string") {
       rawQuery = query;
-    } else if (Array.isArray(query)) {
-      rawQuery = query.map((t) => `${t.key}='${t.value}'`).join(" AND ");
+    } else if (isSearchTxQueryArray(query)) {
+      rawQuery = query
+        .map((t) => {
+          // numeric values must not have quotes https://github.com/cosmos/cosmjs/issues/1462
+          if (typeof t.value === "string") return `${t.key}='${t.value}'`;
+          else return `${t.key}=${t.value}`;
+        })
+        .join(" AND ");
     } else {
       throw new Error("Got unsupported query type. See CosmJS 0.31 CHANGELOG for API breaking changes here.");
     }