diff --git a/indra/llui/lltabcontainer.cpp b/indra/llui/lltabcontainer.cpp
index 51012b03a9..209df896f5 100644
--- a/indra/llui/lltabcontainer.cpp
+++ b/indra/llui/lltabcontainer.cpp
@@ -848,19 +848,27 @@ BOOL LLTabContainer::handleKeyHere(KEY key, MASK mask)
 // virtual
 BOOL LLTabContainer::handleScrollWheel(S32 x, S32 y, S32 clicks)
 {
-	if(!mIsVertical || 0 == getTabCount())
-	{
+	if( 0 == getTabCount() )
 		return LLUICtrl::handleScrollWheel(x, y, clicks);
-	}
 
 	LLTabTuple* firsttuple = getTab(0);
 	static LLUICachedControl<S32> tabcntrv_pad ("UITabCntrvPad", 0);
-	bool has_scroll_arrows = (getMaxScrollPos() > 0);
+	BOOL has_scroll_arrows = (getMaxScrollPos() > 0);
 	LLRect clip;
-	clip = LLRect(firsttuple->mButton->getRect().mLeft,
-					has_scroll_arrows ? mPrevArrowBtn->getRect().mBottom - tabcntrv_pad : mPrevArrowBtn->getRect().mTop,
-					firsttuple->mButton->getRect().mRight,
-					has_scroll_arrows ? mNextArrowBtn->getRect().mTop + tabcntrv_pad : mNextArrowBtn->getRect().mBottom );
+	if (mIsVertical)
+	{
+		clip = LLRect(firsttuple->mButton->getRect().mLeft,
+						has_scroll_arrows ? mPrevArrowBtn->getRect().mBottom - tabcntrv_pad : mPrevArrowBtn->getRect().mTop,
+						firsttuple->mButton->getRect().mRight,
+						has_scroll_arrows ? mNextArrowBtn->getRect().mTop + tabcntrv_pad : mNextArrowBtn->getRect().mBottom );
+	}
+	else
+	{
+		clip = LLRect(has_scroll_arrows ? mPrevArrowBtn->getRect().mRight : mJumpPrevArrowBtn->getRect().mLeft,
+						firsttuple->mButton->getRect().mTop,
+						has_scroll_arrows ? mNextArrowBtn->getRect().mLeft : mJumpNextArrowBtn->getRect().mRight,
+						firsttuple->mButton->getRect().mBottom );
+	}
 
 	if( clip.pointInRect( x, y ) )
 	{