diff --git a/profiles/arch/riscv/use.mask b/profiles/arch/riscv/use.mask
index d36ed99060ba2..a6fa460a0b95e 100644
--- a/profiles/arch/riscv/use.mask
+++ b/profiles/arch/riscv/use.mask
@@ -1,9 +1,13 @@
-# Copyright 2019-2025 Gentoo Authors
+# Copyright 2019-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 # Unmask the flag which corresponds to ARCH.
 -riscv
 
+# Haelwenn (lanodan) Monnier <contact@hacktivis.me> (2026-06-02)
+# mingw isn't keyworded for riscv
+elibc_mingw
+
 # Michael Orlitzky <mjo@gentoo.org> (2024-09-01)
 # These lisp implementations have ~riscv keywords.
 # This counteracts the mask in arch/base/use.mask.