diff --git a/django/core/management.py b/django/core/management.py
index c416c53944..6d92eba741 100644
--- a/django/core/management.py
+++ b/django/core/management.py
@@ -231,6 +231,7 @@ def _get_sql_for_pending_references(model, pending_references):
                 r_col = f.column
                 table = opts.db_table
                 col = opts.get_field(f.rel.field_name).column
+                r_name = '%s_refs_%s_%s_%s' % (r_col, col, r_table, table)
                 final_output.append(style.SQL_KEYWORD('ALTER TABLE') + ' %s ADD CONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s (%s);' % \
                                     (backend.quote_name(r_table), truncate_name(r_name, backend.get_max_name_length()),
                                      backend.quote_name(r_col), backend.quote_name(table), backend.quote_name(col)))