diff --git a/graph.cpp b/graph.cpp
index 93e036b6..ca65032c 100644
--- a/graph.cpp
+++ b/graph.cpp
@@ -5419,6 +5419,8 @@ void calcparam() {
   DEBB(DF_GRAPH, (debugfile,"calc param\n"));
   vid.xcenter = vid.xres / 2;
   vid.ycenter = vid.yres / 2;
+
+  if(vid.scale > -1e-2 && vid.scale < 1e-2) vid.scale = 1;
   
   int realradius = min(vid.xcenter, vid.ycenter);
   
diff --git a/polygons.cpp b/polygons.cpp
index 17d53d50..6e0aeff5 100644
--- a/polygons.cpp
+++ b/polygons.cpp
@@ -407,6 +407,9 @@ void glflush() {
     glhr::color2(text_color);
     glhr::set_depthtest(false);
     for(int ed = (stereo::active() && text_shift)?-1:0; ed<2; ed+=2) {
+      if(vid.scale < 0)
+      glhr::set_modelview(glhr::translate(-ed*text_shift-vid.xcenter,-vid.ycenter, stereo::scrdist_text) * glhr::scale(-1,-1,-1));
+      else
       glhr::set_modelview(glhr::translate(-ed*text_shift-vid.xcenter,-vid.ycenter, stereo::scrdist_text));
       stereo::set_mask(ed);