diff --git a/indra/newview/llsyswellwindow.h b/indra/newview/llsyswellwindow.h
index 03d2557ffd..3957047e1a 100644
--- a/indra/newview/llsyswellwindow.h
+++ b/indra/newview/llsyswellwindow.h
@@ -55,7 +55,7 @@ public:
 
     LLSysWellWindow(const LLSD& key);
     virtual ~LLSysWellWindow();
-	BOOL postBuild();
+	BOOL postBuild() override;
 
 	// <FS:Ansariel> FIRE-11537: Fix well lists size appearing random
 	virtual void onOpen(const LLSD& key) override;
@@ -69,12 +69,12 @@ public:
 	LLPanel * findItemByID(const LLUUID& id);
 
 	// Operating with outfit
-	virtual void setVisible(BOOL visible);
+	virtual void setVisible(BOOL visible) override;
 	void adjustWindowPosition();
-	/*virtual*/ void	setDocked(bool docked, bool pop_on_undock = true);
+	/*virtual*/ void	setDocked(bool docked, bool pop_on_undock = true) override;
 	// override LLFloater's minimization according to EXT-1216
-	/*virtual*/ void	setMinimized(BOOL minimize);
-	/*virtual*/ void	handleReshape(const LLRect& rect, bool by_user);
+	/*virtual*/ void	setMinimized(BOOL minimize) override;
+	/*virtual*/ void	handleReshape(const LLRect& rect, bool by_user) override;
 
 	void onStartUpToastClick(S32 x, S32 y, MASK mask);