diff --git a/data/gui/widget/toggle_button_icon.cfg b/data/gui/widget/toggle_button_icon.cfg
index 6145f85dc4ac..15ba02434deb 100644
--- a/data/gui/widget/toggle_button_icon.cfg
+++ b/data/gui/widget/toggle_button_icon.cfg
@@ -5,10 +5,10 @@
 ### extended for usage with other widgets.
 ###
 
-#define _GUI_ICON SIZE
+#define _GUI_ICON
 	[image]
-		x = "(size / 2 - image_width / 2 where size = {SIZE})"
-		y = "(size / 2 - image_height / 2 where size = {SIZE})"
+		{GUI_CENTERED_IMAGE}
+
 		name = "(icon)"
 	[/image]
 #enddef
@@ -43,7 +43,7 @@
 					name = "buttons/button_square/button_square_30.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]
 
@@ -61,7 +61,7 @@
 					name = "buttons/button_square/button_square_30.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]
 
@@ -79,7 +79,7 @@
 					name = "buttons/button_square/button_square_30-active.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]
 
@@ -103,7 +103,7 @@
 					name = "buttons/button_square/button_square_30-pressed.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]
 
@@ -121,7 +121,7 @@
 					name = "buttons/button_square/button_square_30-pressed.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]
 
@@ -139,7 +139,7 @@
 					name = "buttons/button_square/button_square_30-active-pressed.png"
 				[/image]
 
-				{_GUI_ICON ({SIZE})}
+				{_GUI_ICON}
 
 			[/draw]