diff --git a/lib/wifi/index.js b/lib/wifi/index.js
index 34c76b2..de66af3 100644
--- a/lib/wifi/index.js
+++ b/lib/wifi/index.js
@@ -98,7 +98,7 @@ class Wifi {
 			data += '\n\n' + _entry
 		}
 		_entry = null
-		fs.writeFile(filePath, data, 'utf8', this._writeConfigCb)
+		fs.writeFile(filePath, data, 'utf8', this._writeConfigCb.bind(this))
 	}
 	/**
 	* (internal function) Invoked after config file is written, 
@@ -111,7 +111,7 @@ class Wifi {
 			console.error(err)
 			return _cb(err)
 		}
-		exec(reconfigure, this._reconfigureCb)
+		exec(reconfigure, this._reconfigureCb.bind(this))
 	}
 	/**
 	* (internal function) Invoked after reconfiguration command is complete
@@ -126,7 +126,7 @@ class Wifi {
 			return _cb(err)
 		}
 		console.log('Wifi reconfigured')
-		exec(refresh, this._refreshCb)
+		exec(refresh, this._refreshCb.bind(this))
 	}
 	/**
 	* (internal function) Invoked after wifi refresh command is complete
@@ -141,7 +141,7 @@ class Wifi {
 			return _cb(err)
 		}
 		console.log('Wifi refreshed')
-		//this._callback(null, { ssid : ssid, pwd : pwd.length })
+		_cb(null, { ssid : ssid, pwd : pwd.length })
 		_cb = () => {}
 	}
 	/**
@@ -186,7 +186,7 @@ class Wifi {
 		_entry = `network={\n\tssid="${ssid}"\n\t#psk=${masked}\n\tpsk=${hash}\n}\n`
 		_cb = callback
 		_ssid = ssid
-		fs.readFile(filePath, 'utf8', this._readConfigCb)
+		fs.readFile(filePath, 'utf8', this._readConfigCb.bind(this))
 	}
 	/**
 	* Executes command which gets the currently connected network