diff --git a/scripts/docker/Dockerfile-fedora-30-copr b/scripts/docker/Dockerfile-fedora-30-copr
index 05bbea0eb0..227c5bed28 100644
--- a/scripts/docker/Dockerfile-fedora-30-copr
+++ b/scripts/docker/Dockerfile-fedora-30-copr
@@ -11,5 +11,5 @@ RUN dnf install -y gcc-c++ cmake ninja-build git pkg-config; \
     dnf install -y intel-igc-opencl-devel intel-gmmlib-devel; \
     mkdir /root/build; cd /root/build ; cmake -G Ninja \
     -DDO_NOT_RUN_AUB_TESTS=1 -DDONT_CARE_OF_VIRTUALS=1 ../neo; \
-    ninja -j `nproc`
+    ninja -j 2
 CMD ["/bin/bash"]
diff --git a/scripts/docker/Dockerfile-fedora-31-copr b/scripts/docker/Dockerfile-fedora-31-copr
index b7c125621e..46626e8d15 100644
--- a/scripts/docker/Dockerfile-fedora-31-copr
+++ b/scripts/docker/Dockerfile-fedora-31-copr
@@ -11,5 +11,5 @@ RUN dnf install -y gcc-c++ cmake ninja-build git pkg-config; \
     dnf install -y intel-igc-opencl-devel intel-gmmlib-devel; \
     mkdir /root/build; cd /root/build ; cmake -G Ninja \
     -DDO_NOT_RUN_AUB_TESTS=1 -DDONT_CARE_OF_VIRTUALS=1 ../neo; \
-    ninja -j `nproc`
+    ninja -j 2
 CMD ["/bin/bash"]