diff --git a/uci_dhcp_conf.go b/uci_dhcp_conf.go
index 1fcb788..8823994 100644
--- a/uci_dhcp_conf.go
+++ b/uci_dhcp_conf.go
@@ -36,6 +36,17 @@ func (dh *UCIDHCPConf) Create() *Action {
 		return result
 	}
 	for key, value := range conf {
+		fmt.Printf("DEBUG %s == %s\n", key, value)
+		if value == "" {
+			return &Action{
+				CommandResult: &CommandResult{
+					Stdout:     "",
+					Stderr:     fmt.Sprintf("dhcp.%s can't be empty", key),
+					ReturnCode: 100,
+				},
+				Command: "Empty value error",
+			}
+		}
 		result := uci.Set(fmt.Sprintf("dhcp.%s.%s", dh.Name, key), value)
 		if result.ReturnCode != 0 {
 			return result