diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50d6c90e..792f7436 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ Changelog for FrostFS Node
 - Fetching blobovnicza objects that not found in write-cache (#2206)
 - Do not search for the small objects in FSTree (#2206)
 - Correct status error for expired session token (#2207)
+- Set flag `mode` required for `frostfs-cli control shards set-mode` (#8)
 
 ### Removed
 ### Updated
diff --git a/cmd/frostfs-cli/modules/control/shards_set_mode.go b/cmd/frostfs-cli/modules/control/shards_set_mode.go
index 2e3aecdd..8cf81763 100644
--- a/cmd/frostfs-cli/modules/control/shards_set_mode.go
+++ b/cmd/frostfs-cli/modules/control/shards_set_mode.go
@@ -93,6 +93,7 @@ func initControlSetShardModeCmd() {
 	flags.String(shardModeFlag, "",
 		fmt.Sprintf("New shard mode (%s)", strings.Join(modes, ", ")),
 	)
+	_ = setShardModeCmd.MarkFlagRequired(shardModeFlag)
 	flags.Bool(shardClearErrorsFlag, false, "Set shard error count to 0")
 
 	setShardModeCmd.MarkFlagsMutuallyExclusive(shardIDFlag, shardAllFlag)