1 files changed, 1 insertions, 1 deletions
diff --git a/src/svg.h b/src/svg.h
index c7c7e1a..f8d3c0d 100644
--- a/src/svg.h
+++ b/src/svg.h
@@ -9,7 +9,7 @@ namespace OpenSCAD {
 
 static int svg_cursor = 0;
 
-std::string svg_header();
+std::string svg_header( int pixwidth = 480, int pixheight = 480 );
 std::string svg_label(std::string s);
 std::string svg_border();
 std::string svg_axes();