diff --git a/.github/workflows/linux-riscv64.yml b/.github/workflows/linux-riscv64.yml
index e69fb93a90e..5c7502a6b41 100644
--- a/.github/workflows/linux-riscv64.yml
+++ b/.github/workflows/linux-riscv64.yml
@@ -100,7 +100,7 @@ jobs:
       run: |
         export RISCV_ROOT_PATH=/data/action/osd/Xuantie-900-gcc-linux-6.6.0-glibc-x86_64-V3.0.1
         mkdir build && cd build
-        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/${{ matrix.cpu }}-v301.toolchain.cmake -DCMAKE_BUILD_TYPE=release \
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/${{ matrix.cpu }}-v301.toolchain.cmake -DCMAKE_BUILD_TYPE=debug \
             -DNCNN_OPENMP=${{ matrix.OPENMP }} -DNCNN_THREADS=${{ matrix.OPENMP }} \
             -DNCNN_RUNTIME_CPU=OFF \
             -DNCNN_RVV=${{ matrix.RVV }} \