diff --git a/Operation.cpp b/Operation.cpp
index 3530bca..8ac7150 100644
--- a/Operation.cpp
+++ b/Operation.cpp
@@ -5070,7 +5070,7 @@ Operation::SpecialLink( const DBLVECTOR& vAxStart, const DBLVECTOR& vAxEnd, int
 
   // se la funzione non è definita, esco
    if ( ! pMch->LuaExistsFunction( ON_SPECIAL_LINK))
-      return false ;
+      return true ;
 
   // eseguo
    bool bOk = true ;