diff --git a/build_system/ubuntu/Dockerfile.libpointmatcher.ci_PR b/build_system/ubuntu/Dockerfile.libpointmatcher.ci_PR
index d3a0ffa4..89297e77 100644
--- a/build_system/ubuntu/Dockerfile.libpointmatcher.ci_PR
+++ b/build_system/ubuntu/Dockerfile.libpointmatcher.ci_PR
@@ -2,6 +2,8 @@ ARG PROJECT_HUB=norlabulaval
 ARG BASE_IMAGE=libpointmatcher-dependencies
 ARG BASE_IMAGE_TAG
 FROM ${PROJECT_HUB}/${BASE_IMAGE}:${BASE_IMAGE_TAG:?err} AS libpointmatcher-dependencies
+ARG TARGETPLATFORM
+ARG TARGETARCH
 
 LABEL org.opencontainers.image.authors="luc.coupal.1@ulaval.ca"
 
diff --git a/build_system/ubuntu/lpm_install_dependencies_libnabo_ubuntu.bash b/build_system/ubuntu/lpm_install_dependencies_libnabo_ubuntu.bash
index 3c3f2922..63632104 100644
--- a/build_system/ubuntu/lpm_install_dependencies_libnabo_ubuntu.bash
+++ b/build_system/ubuntu/lpm_install_dependencies_libnabo_ubuntu.bash
@@ -133,7 +133,8 @@ else
 
   cmake  "${CMAKE_FLAGS[@]}" "${NBS_LIB_INSTALL_PATH}/libnabo"
 
-  make -j $(nproc)
+  print_msg "Nb of available core in the current process $(nproc)"
+  make -j $(nproc --ignore=2)
   sudo make install
 
   # (NICE TO HAVE) ToDo: refactor (ref task NMO-428 refactor: drop libnabo `make test` step after libnabo-build-system deployment)
diff --git a/build_system/ubuntu/lpm_install_libpointmatcher_ubuntu.bash b/build_system/ubuntu/lpm_install_libpointmatcher_ubuntu.bash
index ef5f61c3..7ed38886 100644
--- a/build_system/ubuntu/lpm_install_libpointmatcher_ubuntu.bash
+++ b/build_system/ubuntu/lpm_install_libpointmatcher_ubuntu.bash
@@ -226,7 +226,8 @@ else
 
   BUILD_EXIT_CODE=$?
 
-  make -j $(nproc)
+  print_msg "Nb of available core in the current process $(nproc)"
+  make -j $(nproc --ignore=2)
   sudo make install
 
   INSTALL_EXIT_CODE=$?