diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6443a1fb6145..d49ea845f8ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,6 +43,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (x/group, x/gov) [#17109](https://github.com/cosmos/cosmos-sdk/pull/17109) Let proposal summary be 40x longer than metadata limit.
 * (version) [#17096](https://github.com/cosmos/cosmos-sdk/pull/17096) Improve `getSDKVersion()` to handle module replacements.
 
+### Bug Fixes
+
+* (x/group) [#17146](https://github.com/cosmos/cosmos-sdk/pull/17146) Rename x/group legacy ORM package's error codespace from "orm" to "legacy_orm", preventing collisions with ORM's error codespace "orm".
+
 ### CLI Breaking Changes
 
 * (rosetta) [#16276](https://github.com/cosmos/cosmos-sdk/issues/16276) Rosetta migration to standalone repo.
diff --git a/x/group/errors/orm.go b/x/group/errors/orm.go
index 370abdb882b8..bfebd0e54deb 100644
--- a/x/group/errors/orm.go
+++ b/x/group/errors/orm.go
@@ -3,7 +3,7 @@ package errors
 import "cosmossdk.io/errors"
 
 // mathCodespace is the codespace for all errors defined in orm package
-const ormCodespace = "orm"
+const ormCodespace = "legacy_orm"
 
 var (
 	// ErrORMIteratorDone defines an error when an iterator is done