diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15a65711..90cf46dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,12 +16,16 @@ and this project adheres to
   query strings and key/value pairs are now supported. ([#1411])
 - @cosmjs/cosmwasm-stargate: Let `searchTx` return non-readonly array. The
   caller owns this array and can mutate it as they want. ([#1411])
+- @cosmjs/cosmwasm-stargate: In `UploadResult` (result from
+  `SigningCosmWasmClient.upload`), rename `originalChecksum` to `checksum` and
+  remove `compressedChecksum` ([#1409]).
 - @cosmjs/stargate: Implement auto-detection for Tendermint 0.34/37 ([#1411]).
 - @cosmjs/stargate: Remove structured `searchTx` queries. Only raw query strings
   and key/value pairs are now supported. ([#1411])
 - @cosmjs/stargate: Let `searchTx` return non-readonly array. The caller owns
   this array and can mutate it as they want. ([#1411])
 
+[#1409]: https://github.com/cosmos/cosmjs/issues/1409
 [#1411]: https://github.com/cosmos/cosmjs/pull/1411
 
 ## [0.30.1] - 2023-03-22
diff --git a/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts b/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
index fac91980..22ae12b0 100644
--- a/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
+++ b/packages/cosmwasm-stargate/src/signingcosmwasmclient.spec.ts
@@ -104,11 +104,13 @@ describe("SigningCosmWasmClient", () => {
       const options = { ...defaultSigningClientOptions, prefix: wasmd.prefix };
       const client = await SigningCosmWasmClient.connectWithSigner(wasmd.endpoint, wallet, options);
       const wasm = getHackatom().data;
-      const { codeId, originalChecksum, originalSize, compressedChecksum, compressedSize } =
-        await client.upload(alice.address0, wasm, defaultUploadFee);
-      expect(originalChecksum).toEqual(toHex(sha256(wasm)));
+      const { codeId, checksum, originalSize, compressedSize } = await client.upload(
+        alice.address0,
+        wasm,
+        defaultUploadFee,
+      );
+      expect(checksum).toEqual(toHex(sha256(wasm)));
       expect(originalSize).toEqual(wasm.length);
-      expect(compressedChecksum).toMatch(/^[0-9a-f]{64}$/);
       expect(compressedSize).toBeLessThan(wasm.length * 0.5);
       expect(codeId).toBeGreaterThanOrEqual(1);
       client.disconnect();
diff --git a/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
index 031107e2..0373ac3a 100644
--- a/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
+++ b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
@@ -67,14 +67,12 @@ import {
 } from "./modules";
 
 export interface UploadResult {
+  /** A hex encoded sha256 checksum of the original Wasm code (that is stored on chain) */
+  readonly checksum: string;
   /** Size of the original wasm code in bytes */
   readonly originalSize: number;
-  /** A hex encoded sha256 checksum of the original wasm code (that is stored on chain) */
-  readonly originalChecksum: string;
   /** Size of the compressed wasm code in bytes */
   readonly compressedSize: number;
-  /** A hex encoded sha256 checksum of the compressed wasm code (that stored in the transaction) */
-  readonly compressedChecksum: string;
   /** The ID of the code asigned by the chain */
   readonly codeId: number;
   readonly logs: readonly logs.Log[];
@@ -301,10 +299,9 @@ export class SigningCosmWasmClient extends CosmWasmClient {
     const parsedLogs = logs.parseRawLog(result.rawLog);
     const codeIdAttr = logs.findAttribute(parsedLogs, "store_code", "code_id");
     return {
+      checksum: toHex(sha256(wasmCode)),
       originalSize: wasmCode.length,
-      originalChecksum: toHex(sha256(wasmCode)),
       compressedSize: compressed.length,
-      compressedChecksum: toHex(sha256(compressed)),
       codeId: Number.parseInt(codeIdAttr.value, 10),
       logs: parsedLogs,
       height: result.height,