diff --git a/.github/workflows/cpp-test.yml b/.github/workflows/cpp-test.yml
index 2a1f99b3..eb70b358 100644
--- a/.github/workflows/cpp-test.yml
+++ b/.github/workflows/cpp-test.yml
@@ -57,5 +57,5 @@ jobs:
           export GRPC_INSTALL_PATH=~/grpcinstall/v1_44_0
           export PATH="$GRPC_INSTALL_PATH/bin:$PATH"
           rm -rf build && mkdir build && pushd build \
-            && cmake .. -DCMAKE_PREFIX_PATH=$GRPC_INSTALL_PATH && make \
+            && cmake .. -DCMAKE_PREFIX_PATH="$GRPC_INSTALL_PATH;$POCO_INSTALL_PATH" && make \
             && popd && rm -rf build