diff --git a/chrome-mouse-wheel-tab-scroller.au3 b/chrome-mouse-wheel-tab-scroller.au3
index 371904a..64cd2aa 100644
--- a/chrome-mouse-wheel-tab-scroller.au3
+++ b/chrome-mouse-wheel-tab-scroller.au3
@@ -29,7 +29,7 @@
 #AutoIt3Wrapper_Res_Icon_Add=icon_disabled.ico
 #AutoIt3Wrapper_Res_Comment=Scroll Chrome tabs using mouse wheel
 #AutoIt3Wrapper_Res_Description=Scroll Chrome tabs using mouse wheel
-#AutoIt3Wrapper_Res_Fileversion=0.1.0.0
+#AutoIt3Wrapper_Res_Fileversion=0.2.0.0
 #AutoIt3Wrapper_Res_LegalCopyright=Maxim Biro
 
 #include "MouseOnEvent.au3"
@@ -39,24 +39,48 @@ Const $CHROME_TABS_AREA_HEIGHT_NOT_MAXIMIZED = 48
 Const $CHROME_NONTABS_AREA_RIGHT_WIDTH_OFFSET_MAXIMIZED = 200
 Const $CHROME_NONTABS_AREA_RIGHT_WIDTH_OFFSET_NOT_MAXIMIZED = 150
 
-Dim Const $HOOKS[2][2] = [ _
-                            [$MOUSE_WHEELSCROLLUP_EVENT, "mouseWheelUp"], _
-                            [$MOUSE_WHEELSCROLLDOWN_EVENT, "mouseWheelDown"] _
-                         ]
+Const $CFG_DIR_PATH = @AppDataDir & "\chrome-mouse-wheel-tab-scroller"
+Const $CFG_FILE_PATH = $CFG_DIR_PATH & "\config.ini"
+$CFG_REVERSE = False
 
-registerHooks()
+Dim $HOOKS[2][2] = [ _
+                      [$MOUSE_WHEELSCROLLUP_EVENT, "mouseWheelUp"], _
+                      [$MOUSE_WHEELSCROLLDOWN_EVENT, "mouseWheelDown"] _
+                   ]
 
 Opt("TrayMenuMode", 1)
+$trayReverse = TrayCreateItem("Reverse scroll direction")
 $trayDisable = TrayCreateItem("Disable (Gaming Mode)")
 $trayExit = TrayCreateItem("Exit")
 TraySetClick(16)
 TraySetState()
 
+readConfig()
+
+If $CFG_REVERSE Then
+    TrayItemSetState($trayReverse, $TRAY_CHECKED)
+    swapHooks()
+EndIf
+
+registerHooks()
+
 While 1
     $msg = TrayGetMsg()
     Select
         Case $msg = $trayExit
             Exit
+        Case $msg = $trayReverse
+            $CFG_REVERSE = Not $CFG_REVERSE
+            writeConfig()
+            
+            $trayDisableState = TrayItemGetState($trayDisable)
+            If BitAnd($trayDisableState, $TRAY_UNCHECKED) Then
+                unregisterHooks()
+            EndIf
+            swapHooks()
+            If BitAnd($trayDisableState, $TRAY_UNCHECKED) Then
+                registerHooks()
+            EndIf
         Case $msg = $trayDisable
             $trayDisableState = TrayItemGetState($trayDisable)
             Select
@@ -84,6 +108,12 @@ Func unregisterHooks()
     Next
 EndFunc
 
+Func swapHooks()
+    $tmp = $HOOKS[0][0]
+    $HOOKS[0][0] = $HOOKS[1][0]
+    $HOOKS[1][0] = $tmp
+EndFunc
+
 Func isMouseInChromeTabsArea()
     $windowList = WinList("[REGEXPCLASS:Chrome_WidgetWin_]")
     For $i = 1 To $windowList[0][0]
@@ -120,3 +150,13 @@ Func mouseWheelDown()
         Send("^{PGDN}")
     EndIf
 EndFunc
+
+Func readConfig()
+    $CFG_REVERSE = IniRead($CFG_FILE_PATH, "options", "reverse", "False") == "True"
+EndFunc
+
+Func writeConfig()
+    DirCreate($CFG_DIR_PATH)
+    
+    IniWrite($CFG_FILE_PATH, "options", "reverse", String($CFG_REVERSE))
+EndFunc