diff --git a/Number_types/include/CGAL/Root_of_traits.h b/Number_types/include/CGAL/Root_of_traits.h
index d2aca814a78..3056663b035 100644
--- a/Number_types/include/CGAL/Root_of_traits.h
+++ b/Number_types/include/CGAL/Root_of_traits.h
@@ -75,9 +75,9 @@ compute_roots_of_2(const NT &a_, const NT &b_, const NT &c_, OutputIterator oit)
       return oit;
     }
   }
-  else { 
+  else {
     Root_of_1 cb = -c / b;
-    *oit++ = Root_of_2(cb); 
+    *oit++ = Root_of_2(cb);
     return oit;
   }
 }