1 files changed, 1 insertions, 1 deletions
diff --git a/src/sp-root.h b/src/sp-root.h
index a9f64a53b..47a37029d 100644
--- a/src/sp-root.h
+++ b/src/sp-root.h
@@ -41,7 +41,7 @@ public:
     SVGLength height;
 
     /* viewBox; */
-    unsigned int viewBox_set : 1;
+    bool viewBox_set : true;
     Geom::Rect viewBox;
 
     /* preserveAspectRatio */