diff --git a/Python/ast.c b/Python/ast.c
index 97486c5..8b68182 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -1015,6 +1015,12 @@
     } else if (TYPE(CHILD(n, 1)) == classdef) {
       thing = ast_for_classdef(c, CHILD(n, 1), decorator_seq);
     }
+    /* we count the decorators in when talking about the class' or
+     * function's line number */
+    if (thing) {
+        thing->lineno = LINENO(n);
+        thing->col_offset = n->n_col_offset;
+    }
     return thing;
 }