diff --git a/index.js b/index.js
index d5afd4b..aec6a3a 100755
--- a/index.js
+++ b/index.js
@@ -164,16 +164,14 @@ class NodeClam {
             const settings = {};
             if (Object.prototype.hasOwnProperty.call(options, 'clamscan') && Object.keys(options.clamscan).length > 0) {
                 settings.clamscan = { ...this.defaults.clamscan, ...options.clamscan };
-                delete options.clamscan;
             }
             if (
                 Object.prototype.hasOwnProperty.call(options, 'clamdscan') &&
                 Object.keys(options.clamdscan).length > 0
             ) {
                 settings.clamdscan = { ...this.defaults.clamdscan, ...options.clamdscan };
-                delete options.clamdscan;
             }
-            this.settings = { ...this.defaults, ...settings, ...options };
+            this.settings = { ...this.defaults, ...options, ...settings };
 
             if (this.settings && 'debugMode' in this.settings && this.settings.debugMode === true)
                 console.log(`${this.debugLabel}: DEBUG MODE ON`);