diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9e03b0c3d4..75a08c3bfd 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -72,16 +72,19 @@ jobs:
       - run: c++ --version
       - run: make gmp-bootstrap
       - run: make gtest-bootstrap
-      # disable Werror on gcc 12 until #3533 is fixed.
-      #- run: CFLAGS=-Werror make -j$(nproc) all plugin test
-      - run: make -j$(nproc) all plugin test
-      #- run: meson builddir --werror
-      - run: meson builddir
+      - run: CFLAGS=-Werror make -j$(nproc) all plugin test
+      - run: meson builddir --werror
       - run: ninja -C builddir -v
       - run: meson test -C builddir -v
 
   macos:
-    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        runner:
+          - macos-13 # x86_64
+          - macos-latest # aarch64
+    runs-on: ${{matrix.runner}}
     steps:
       - uses: actions/checkout@v3
       - run: brew install nasm meson
@@ -101,21 +104,23 @@ jobs:
       - run: sudo apt-get update -qq
       - run: sudo apt-get install -qq g++-arm-linux-gnueabihf g++-aarch64-linux-gnu qemu-user
       - run: arm-linux-gnueabihf-g++ --version
+      - run: aarch64-linux-gnu-g++ --version
       - run: make gmp-bootstrap
       - run: make gtest-bootstrap
       - run: CFLAGS=-Werror make -j$(nproc) ARCH=armv7 CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++
+      - run: qemu-arm -L /usr/arm-linux-gnueabihf/ ./codec_unittest
       - run: CFLAGS=-Werror make clean
       - run: CFLAGS=-Werror make -j$(nproc) ARCH=aarch64 CC=aarch64-linux-gnu-gcc CXX=aarch64-linux-gnu-g++
       - run: qemu-aarch64 -L /usr/aarch64-linux-gnu/ ./codec_unittest
 
-  macos-cross-arm64:
+  ios-cross-arm64:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
       - run: make gmp-bootstrap
       - run: make gtest-bootstrap
       - run: c++ --version
-      - run: CFLAGS=-Werror make -j$(sysctl -n hw.ncpu) ARCH=arm64
+      - run: CFLAGS=-Werror make -j$(sysctl -n hw.ncpu) OS=ios ARCH=arm64
 
   fuzzing:
     runs-on: ubuntu-latest
diff --git a/test/api/simple_test.cpp b/test/api/simple_test.cpp
index 41b2f84cfa..ca570a1b0d 100644
--- a/test/api/simple_test.cpp
+++ b/test/api/simple_test.cpp
@@ -13,7 +13,7 @@ int main (int argc, char** argv) {
 
 #if (defined(ANDROID_NDK)||defined(APPLE_IOS)||defined(WINDOWS_PHONE))
   char xmlPath[1024] = "";
-  sprintf (xmlPath, "xml:%s", argv[1]);
+  snprintf (xmlPath, sizeof(xmlPath), "xml:%s", argv[1]);
   ::testing::GTEST_FLAG (output) = xmlPath;
 #endif
   ::testing::InitGoogleTest (&argc, argv);