diff --git a/modules/corelib/ui/uiscrollarea.lua b/modules/corelib/ui/uiscrollarea.lua
index b9732acf..5f274ecb 100644
--- a/modules/corelib/ui/uiscrollarea.lua
+++ b/modules/corelib/ui/uiscrollarea.lua
@@ -107,15 +107,37 @@ end
 
 function UIScrollArea:onMouseWheel(mousePos, mouseWheel)
   if self.verticalScrollBar then
+    if not self.verticalScrollBar:isOn() then
+      return false
+    end
     if mouseWheel == MouseWheelUp then
+      local minimum = self.verticalScrollBar:getMinimum()
+      if self.verticalScrollBar:getValue() <= minimum then
+        return false
+      end
       self.verticalScrollBar:decrement()
     else
+      local maximum = self.verticalScrollBar:getMaximum()
+      if self.verticalScrollBar:getValue() >= maximum then
+        return false
+      end
       self.verticalScrollBar:increment()
     end
   elseif self.horizontalScrollBar then
+    if not self.horizontalScrollBar:isOn() then
+      return false
+    end
     if mouseWheel == MouseWheelUp then
+      local maximum = self.horizontalScrollBar:getMaximum()
+      if self.horizontalScrollBar:getValue() >= maximum then
+        return false
+      end
       self.horizontalScrollBar:increment()
     else
+      local minimum = self.horizontalScrollBar:getMinimum()
+      if self.horizontalScrollBar:getValue() <= minimum then
+        return false
+      end
       self.horizontalScrollBar:decrement()
     end
   end
diff --git a/modules/corelib/ui/uiscrollbar.lua b/modules/corelib/ui/uiscrollbar.lua
index 236ec95c..c7ada55f 100644
--- a/modules/corelib/ui/uiscrollbar.lua
+++ b/modules/corelib/ui/uiscrollbar.lua
@@ -234,19 +234,23 @@ function UIScrollBar:onGeometryChange()
 end
 
 function UIScrollBar:onMouseWheel(mousePos, mouseWheel)
-  if not self.mouseScroll then
+  if not self.mouseScroll or not self:isOn() then
     return false
   end
   if mouseWheel == MouseWheelUp then
     if self.orientation == 'vertical' then
+      if self.value <= self.minimum then  return false end
       self:decrement()
     else
+      if self.value >= self.maximum then return false end
       self:increment()
     end
   else
     if self.orientation == 'vertical' then
+      if self.value >= self.maximum then return false end
       self:increment()
     else
+      if self.value <= self.minimum then  return false end
       self:decrement()
     end
   end
diff --git a/modules/corelib/ui/uispinbox.lua b/modules/corelib/ui/uispinbox.lua
index d3c1fca7..484d363c 100644
--- a/modules/corelib/ui/uispinbox.lua
+++ b/modules/corelib/ui/uispinbox.lua
@@ -7,11 +7,13 @@ function UISpinBox.create()
   spinbox:setValidCharacters('0123456789')
   spinbox.displayButtons = true
   spinbox.minimum = 0
-  spinbox.maximum = 0
+  spinbox.maximum = 1
   spinbox.value = 0
   spinbox.step = 1
   spinbox.firstchange = true
+  spinbox.mouseScroll = true
   spinbox:setText("0")
+  spinbox:setValue(1)
   return spinbox
 end
 
@@ -21,6 +23,9 @@ function UISpinBox:onSetup()
 end
 
 function UISpinBox:onMouseWheel(mousePos, direction)
+  if not self.mouseScroll then 
+    return false
+  end
   if direction == MouseWheelUp then
     self:up()
   elseif direction == MouseWheelDown then
@@ -70,6 +75,8 @@ function UISpinBox:onStyleApply(styleName, styleNode)
       addEvent(function() self:setMaximum(value) end)
     elseif name == 'minimum' then
       addEvent(function() self:setMinimum(value) end)
+    elseif name == 'mouse-scroll' then
+      addEvent(function() self:setMouseScroll(value) end)
     elseif name == 'buttons' then
       addEvent(function()
         if value then
@@ -157,3 +164,11 @@ end
 function UISpinBox:setStep(step)
   self.step = step or 1
 end
+
+function UISpinBox:setMouseScroll(mouseScroll)
+  self.mouseScroll = mouseScroll
+end
+
+function UISpinBox:getMouseScroll()
+  return self.mouseScroll
+end
\ No newline at end of file