diff --git a/valgrind.spec b/valgrind.spec
index 8cbe9b8fc6e61a48e4e1f5299a3bafa3fa0c537a..8941deec1bcead7c7b0cb0f7a3cf616b901e0bc5 100644
--- a/valgrind.spec
+++ b/valgrind.spec
@@ -22,10 +22,14 @@
 %define arch_val ppc64le
 %define arch_old_val %{nil}
 %endif
+%ifarch riscv64
+%define arch_val riscv64
+%define arch_old_val %{nil}
+%endif
 
 Name:           valgrind
 Version:        3.25.1
-Release:        1
+Release:        2
 Epoch:          1
 Summary:        An instrumentation framework for building dynamic analysis tools
 License:        GPL-2.0-or-later
@@ -111,6 +115,9 @@ popd
 %{_mandir}/man1/*
 
 %changelog
+* Thu Jun 05 2025 laokz <laokz@iscas.ac.cn> - 1:3.25.1-2
+- riscv64: add missing arch_val macro
+
 * Tue May 20 2025 Funda Wang <fundawang@yeah.net> - 1:3.25.1-1
 - update to 3.25.1