diff --git a/.github/workflows/test-dot-net.yaml b/.github/workflows/test-dot-net.yaml
index 8f7c9973..7052542d 100644
--- a/.github/workflows/test-dot-net.yaml
+++ b/.github/workflows/test-dot-net.yaml
@@ -89,7 +89,7 @@ jobs:
             -DCMAKE_BUILD_TYPE=Release \
             -DSHERPA_ONNX_ENABLE_WEBSOCKET=OFF \
             -DBUILD_ESPEAK_NG_EXE=OFF \
-            -DSHERPA_ONNX_ENABLE_BINARY=OFF \
+            -DSHERPA_ONNX_ENABLE_BINARY=ON \
             ..
           cmake --build . --target install --config Release