diff --git a/Packages/Nef_2/include/CGAL/Nef_2/Polynomial.h b/Packages/Nef_2/include/CGAL/Nef_2/Polynomial.h
index 048d1c88912..1c418c9865e 100644
--- a/Packages/Nef_2/include/CGAL/Nef_2/Polynomial.h
+++ b/Packages/Nef_2/include/CGAL/Nef_2/Polynomial.h
@@ -1848,7 +1848,7 @@ std::istream& operator >> (std::istream& is, Polynomial<NT>& p) {
                 return is;
 	    is.putback(ch);
         } else {
-            is.putback(ch);
+	    is.putback(ch);
         }
         is >> d;
         if ( pretty) {