diff --git a/Python/ast.c b/Python/ast.c
index 2031b88..15d2027 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -4079,8 +4079,8 @@
             }
             asdl_seq_SET(newobj, 0,
                          If(expression, suite_seq, orelse,
-                            LINENO(CHILD(n, off)),
-                            CHILD(n, off)->n_col_offset,
+                            LINENO(CHILD(n, off - 1)),
+                            CHILD(n, off - 1)->n_col_offset,
                             end_lineno, end_col_offset, c->c_arena));
             orelse = newobj;
         }