diff --git a/packages/stargate/src/modules/ibc/aminomessages.spec.ts b/packages/stargate/src/modules/ibc/aminomessages.spec.ts
index 7035a27d..4be341c4 100644
--- a/packages/stargate/src/modules/ibc/aminomessages.spec.ts
+++ b/packages/stargate/src/modules/ibc/aminomessages.spec.ts
@@ -19,7 +19,7 @@ describe("AminoTypes", () => {
           revisionNumber: BigInt("456"),
         },
         timeoutTimestamp: BigInt("789"),
-        memo: "",
+        memo: "something something",
       };
       const aminoTypes = new AminoTypes(createIbcAminoConverters());
       const aminoMsg = aminoTypes.toAmino({
@@ -39,7 +39,7 @@ describe("AminoTypes", () => {
             revision_number: "456",
           },
           timeout_timestamp: "789",
-          memo: undefined,
+          memo: "something something",
         },
       };
       expect(aminoMsg).toEqual(expected);
diff --git a/packages/stargate/src/modules/ibc/aminomessages.ts b/packages/stargate/src/modules/ibc/aminomessages.ts
index ee14bf72..17fdd3e9 100644
--- a/packages/stargate/src/modules/ibc/aminomessages.ts
+++ b/packages/stargate/src/modules/ibc/aminomessages.ts
@@ -71,7 +71,7 @@ export function createIbcAminoConverters(): AminoConverters {
             }
           : {},
         timeout_timestamp: omitDefault(timeoutTimestamp)?.toString(),
-        memo: omitDefault(memo)?.toString(),
+        memo: omitDefault(memo),
       }),
       fromAmino: ({
         source_port,