diff --git a/uppsrc/CtrlLib/ScrollBar.cpp b/uppsrc/CtrlLib/ScrollBar.cpp
index 8ba7554aa..0fbd77c07 100644
--- a/uppsrc/CtrlLib/ScrollBar.cpp
+++ b/uppsrc/CtrlLib/ScrollBar.cpp
@@ -66,6 +66,7 @@ ScrollBar::ScrollBar() {
 	style = NULL;
 	SetStyle(StyleDefault());
 	BackPaint();
+	is_active = false;
 }
 
 ScrollBar::~ScrollBar() {}
@@ -326,18 +327,18 @@ bool  ScrollBar::Set(int apagepos) {
 void ScrollBar::Set(int _pagepos, int _pagesize, int _totalsize) {
 	pagesize = _pagesize;
 	totalsize = _totalsize;
-	bool a = totalsize > pagesize && pagesize > 0;
-	if(autohide && a != IsShown()) {
-		Show(a);
+	is_active = totalsize > pagesize && pagesize > 0;
+	if(autohide && is_active != IsShown()) {
+		Show(is_active);
 		WhenVisibility();
 	}
 	if(autodisable) {
-		if(prev.IsEnabled() != a)
+		if(prev.IsEnabled() != is_active)
 			Refresh();
-		prev.Enable(a);
-		next.Enable(a);
-		prev2.Enable(a);
-		next2.Enable(a);
+		prev.Enable(is_active);
+		next.Enable(is_active);
+		prev2.Enable(is_active);
+		next2.Enable(is_active);
 	}
 	Set(_pagepos);
 }
diff --git a/uppsrc/CtrlLib/ScrollBar.h b/uppsrc/CtrlLib/ScrollBar.h
index e6e58d481..58ca849e5 100644
--- a/uppsrc/CtrlLib/ScrollBar.h
+++ b/uppsrc/CtrlLib/ScrollBar.h
@@ -43,6 +43,7 @@ private:
 	int     minthumb;
 	bool    autohide:1;
 	bool    autodisable:1;
+	bool    is_active:1;
 
 	const Style *style;
 
@@ -75,6 +76,8 @@ public:
 	bool    Set(int pagepos);
 	void    SetPage(int pagesize);
 	void    SetTotal(int totalsize);
+	
+	bool    IsActive() const                { return is_active; }
 
 	bool    ScrollInto(int pos, int linesize);
 	bool    ScrollInto(int pos)             { return ScrollInto(pos, linesize); }