diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f0910f35b..dec9c39c3f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@
 * (tm-db) [\#388] (https://github.com/line/lbm-sdk/pull/388) Bump up tm-db fixing invalid memory reference
 * (swagger) [\#391] (https://github.com/line/lbm-sdk/pull/391) fix swagger's config path for wasm
 * (x/wasm) [\#393] (https://github.com/line/lbm-sdk/pull/393) fix bug where `StoreCodeAndInstantiateContract`, `UpdateContractStatus`, `UpdateContractStatusProposal` API does not work
+* (x/slashing) [\#407] (https://github.com/line/lbm-sdk/pull/407) Fix query signing infos command
 
 ### Breaking Changes
 
diff --git a/x/slashing/client/cli/query.go b/x/slashing/client/cli/query.go
index 4045728140..f194f83d40 100644
--- a/x/slashing/client/cli/query.go
+++ b/x/slashing/client/cli/query.go
@@ -81,7 +81,7 @@ func GetCmdQuerySigningInfos() *cobra.Command {
 
 $ <appd> query slashing signing-infos
 `),
-		Args: cobra.ExactArgs(1),
+		Args: cobra.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			clientCtx, err := client.GetClientQueryContext(cmd)
 			if err != nil {