diff --git a/cmd/frostfs-adm/internal/modules/morph/frostfsid/frostfsid.go b/cmd/frostfs-adm/internal/modules/morph/frostfsid/frostfsid.go
index 0c791d39..d2e45696 100644
--- a/cmd/frostfs-adm/internal/modules/morph/frostfsid/frostfsid.go
+++ b/cmd/frostfs-adm/internal/modules/morph/frostfsid/frostfsid.go
@@ -155,6 +155,7 @@ func initFrostfsIDCreateNamespaceCmd() {
 	frostfsidCreateNamespaceCmd.Flags().StringP(commonflags.EndpointFlag, commonflags.EndpointFlagShort, "", commonflags.EndpointFlagDesc)
 	frostfsidCreateNamespaceCmd.Flags().String(namespaceFlag, "", "Namespace name to create")
 	frostfsidCreateNamespaceCmd.Flags().String(commonflags.AlphabetWalletsFlag, "", commonflags.AlphabetWalletsFlagDesc)
+	_ = frostfsidCreateNamespaceCmd.MarkFlagRequired(namespaceFlag)
 }
 
 func initFrostfsIDListNamespacesCmd() {