diff --git a/include/svtools/tabbar.hxx b/include/svtools/tabbar.hxx
index 20e644b7e5e4..bc15dd4c298e 100644
--- a/include/svtools/tabbar.hxx
+++ b/include/svtools/tabbar.hxx
@@ -389,7 +389,7 @@ private:
     SVT_DLLPRIVATE void            ImplEnableControls();
     SVT_DLLPRIVATE void            ImplSelect();
     SVT_DLLPRIVATE void            ImplActivatePage();
-    SVT_DLLPRIVATE long            ImplDeactivatePage();
+    SVT_DLLPRIVATE bool            ImplDeactivatePage();
     SVT_DLLPRIVATE void            ImplPrePaint();
     SVT_DLLPRIVATE ImplTabBarItem* ImplGetLastTabBarItem( sal_uInt16 nItemCount );
     SVT_DLLPRIVATE Rectangle       ImplGetInsertTabRect(ImplTabBarItem* pItem) const;
diff --git a/svtools/source/control/tabbar.cxx b/svtools/source/control/tabbar.cxx
index 2b1f0ede4784..9183f7331388 100644
--- a/svtools/source/control/tabbar.cxx
+++ b/svtools/source/control/tabbar.cxx
@@ -1718,9 +1718,9 @@ void TabBar::ActivatePage()
 
 
 
-long TabBar::ImplDeactivatePage()
+bool TabBar::ImplDeactivatePage()
 {
-    long nRet = DeactivatePage();
+    bool nRet = DeactivatePage();
 
     CallEventListeners( VCLEVENT_TABBAR_PAGEDEACTIVATED, reinterpret_cast<void*>(sal::static_int_cast<sal_IntPtr>(mnCurPageId)) );