diff --git a/hypgraph.cpp b/hypgraph.cpp
index b86b98e1..4d64b8d9 100644
--- a/hypgraph.cpp
+++ b/hypgraph.cpp
@@ -63,7 +63,7 @@ EX hyperpoint perspective_to_space(hyperpoint h, ld alpha IS(pconf.alpha), eGeom
   B /= A; C /= A;
   
   ld rootsign = 1;
-  // if(gc == gcSphere && pconf.alpha > 1) rootsign = -1;
+  if(gc == gcSphere && pconf.alpha > 1) rootsign = -1;
   
   ld hz = B / 2 + rootsign * sqrt(C + B*B/4);