diff --git a/.github/workflows/job-build-tests.yml b/.github/workflows/job-build-tests.yml
index a0fdb5c0e..2721412b0 100644
--- a/.github/workflows/job-build-tests.yml
+++ b/.github/workflows/job-build-tests.yml
@@ -51,6 +51,14 @@ jobs:
     #if: ${{ false }}
     runs-on: ${{ inputs.os }}
     steps:
+      - name: 'Setup deps - apt-get gcc'
+        if: ${{ !env.ACT && contains(inputs.cc, 'gcc') }}
+        run: sudo apt-get update && sudo apt-get install -y ${CC} libstdc++-${CC#*-}-dev lcov
+
+      - name: 'Setup deps - apt-get clang'
+        if: ${{ !env.ACT && contains(inputs.cc, 'clang') }}
+        run: sudo apt-get update && sudo apt-get install -y ${CC} lcov
+
       - uses: actions/checkout@v3
       - name: 'Setup cache - work/ dir'
         uses: actions/cache@v3
diff --git a/assets/release/Dockerfiles/Dockerfile.ubuntu-22.04 b/assets/release/Dockerfiles/Dockerfile.ubuntu-22.04
index 2f6bfc386..132290762 100644
--- a/assets/release/Dockerfiles/Dockerfile.ubuntu-22.04
+++ b/assets/release/Dockerfiles/Dockerfile.ubuntu-22.04
@@ -16,7 +16,7 @@ RUN apt-get update && \
         git \
         pkg-config \
         libglib2.0-dev \
-        clang \
+        clang-15 \
         curl \
         binfmt-support \
         qemu-user-static
diff --git a/src/wasm/ngx_wasm_ops.c b/src/wasm/ngx_wasm_ops.c
index e7d59153f..a11bc5f70 100644
--- a/src/wasm/ngx_wasm_ops.c
+++ b/src/wasm/ngx_wasm_ops.c
@@ -126,7 +126,7 @@ ngx_wasm_ops_plan_load(ngx_wasm_ops_plan_t *plan, ngx_log_t *log)
     ngx_uint_t               *fid;
     ngx_array_t              *ids;
     ngx_wasm_op_t            *op;
-    ngx_wasm_ops_pipeline_t  *pipeline;
+    ngx_wasm_ops_pipeline_t  *pipeline = NULL;
 
     dd("enter");