diff --git a/cli/serve.go b/cli/serve.go
index 257d3ea..6ded480 100644
--- a/cli/serve.go
+++ b/cli/serve.go
@@ -27,6 +27,7 @@ func ServeCmd() *cobra.Command {
 		SilenceUsage:  true,
 		SilenceErrors: false,
 		PreRunE: func(cmd *cobra.Command, args []string) error {
+			viper.SetEnvPrefix("sbctl")
 			return viper.BindPFlags(cmd.Flags())
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {
diff --git a/cli/shell.go b/cli/shell.go
index 62a96d3..75f3531 100644
--- a/cli/shell.go
+++ b/cli/shell.go
@@ -28,6 +28,7 @@ func ShellCmd() *cobra.Command {
 		SilenceUsage:  true,
 		SilenceErrors: false,
 		PreRunE: func(cmd *cobra.Command, args []string) error {
+			viper.SetEnvPrefix("sbctl")
 			return viper.BindPFlags(cmd.Flags())
 		},
 		RunE: func(cmd *cobra.Command, args []string) error {