diff --git a/beacon-chain/rpc/lookup/stater.go b/beacon-chain/rpc/lookup/stater.go
index b0fd36b6cdb4..a3bd0f250fb1 100644
--- a/beacon-chain/rpc/lookup/stater.go
+++ b/beacon-chain/rpc/lookup/stater.go
@@ -82,8 +82,8 @@ type StateRootNotFoundError struct {
 }
 
 // NewStateRootNotFoundError creates a new error instance.
-func NewStateRootNotFoundError(stateRootsSize int) StateNotFoundError {
-	return StateNotFoundError{
+func NewStateRootNotFoundError(stateRootsSize int) StateRootNotFoundError {
+	return StateRootNotFoundError{
 		message: fmt.Sprintf("state root not found in the last %d state roots", stateRootsSize),
 	}
 }
diff --git a/changelog/Snezhkko_fix-type.md b/changelog/Snezhkko_fix-type.md
new file mode 100644
index 000000000000..264398fb20c8
--- /dev/null
+++ b/changelog/Snezhkko_fix-type.md
@@ -0,0 +1,3 @@
+## Fixed
+
+- incorrect constructor return type [#16084](https://github.com/OffchainLabs/prysm/pull/16084)