diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -241,7 +241,7 @@ static void DoSetViewportPosition(const 
 
 			if (left + width > w->left + w->width) {
 				DoSetViewportPosition(w, left, top, (w->left + w->width - left), height);
-				DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left) , height);
+				DoSetViewportPosition(w, left + (w->left + w->width - left), top, width - (w->left + w->width - left), height);
 				return;
 			}
 
@@ -253,7 +253,7 @@ static void DoSetViewportPosition(const 
 
 			if (top + height > w->top + w->height) {
 				DoSetViewportPosition(w, left, top, width, (w->top + w->height - top));
-				DoSetViewportPosition(w, left, top + (w->top + w->height - top), width , height - (w->top + w->height - top));
+				DoSetViewportPosition(w, left, top + (w->top + w->height - top), width, height - (w->top + w->height - top));
 				return;
 			}