diff --git a/docker/Dockerfile.build.ubuntu22.cross-arm64 b/docker/Dockerfile.build.ubuntu22.cross-arm64
index 16090c87e8..7b145fdc5b 100644
--- a/docker/Dockerfile.build.ubuntu22.cross-arm64
+++ b/docker/Dockerfile.build.ubuntu22.cross-arm64
@@ -43,7 +43,9 @@ RUN /bin/sh oaienv && \
     cd ../build-cross/ && \
     # install missing libyaml-cpp-dev for arm64
     apt install -y libyaml-cpp-dev:arm64 && \
-    cmake ../../.. -GNinja -DCMAKE_TOOLCHAIN_FILE=../../../cmake_targets/cross-arm.cmake -DNATIVE_DIR=../build && \
+    cmake ../../.. -GNinja \
+      -DCMAKE_TOOLCHAIN_FILE=../../../cmake_targets/cross-arm.cmake -DNATIVE_DIR=../build \
+      -DCMAKE_C_FLAGS="-Werror" -DCMAKE_CXX_FLAGS="-Werror" && \
     echo "====== Start of log for cross-build executables ======" && \
     # making always passing so we can analyze the all.txt file
     ninja dlsim ulsim ldpctest polartest smallblocktest nr_pbchsim nr_dlschsim nr_ulschsim nr_dlsim nr_ulsim nr_pucchsim nr_prachsim lte-softmodem nr-softmodem nr-cuup oairu lte-uesoftmodem nr-uesoftmodem params_libconfig coding rfsimulator > ../../log/all.txt 2>&1; \