diff --git a/ncnn/riscv64.patch b/ncnn/riscv64.patch
new file mode 100644
index 000000000..fefe11099
--- /dev/null
+++ b/ncnn/riscv64.patch
@@ -0,0 +1,13 @@
+Index: PKGBUILD
+===================================================================
+--- PKGBUILD	(revision 1255016)
++++ PKGBUILD	(working copy)
+@@ -28,7 +28,7 @@
+         -DNCNN_SYSTEM_GLSLANG=ON \
+         -DNCNN_BUILD_EXAMPLES=OFF \
+         -DGLSLANG_TARGET_DIR=/usr/lib/cmake/ \
+-        -Wno-dev
++        -Wno-dev -DNCNN_RVV=OFF
+     ninja -C build
+ }
+