diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fdcf24a4d0f7ff..a602f3dace53f0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -180,14 +180,14 @@ jobs:
            mkdir -p output
            if [ "${{ matrix.testname }}" == "um-nommu" ] ; then
              ## dynamic build failed at iperf -R
-             # faketty ./vmlinux vec0:transport=tap,ifname=tap100,depth=128,gro=1 mem=1024m \
-             #   root=/dev/root rootflags=`pwd`/rootfs rootfstype=hostfs rw \
-             #   loglevel=0 console=tty init=/root/iperf3.sh \
-             #   | tee output/${{ matrix.testname }}-seccomp-iperf3.dat
-             # faketty ./vmlinux vec0:transport=tap,ifname=tap100,depth=128,gro=1 mem=1024m \
-             #   root=/dev/root rootflags=`pwd`/rootfs rootfstype=hostfs rw \
-             #   loglevel=0 console=tty zpoline=1 init=/root/iperf3.sh \
-             #   | tee output/${{ matrix.testname }}-zpoline-iperf3.dat
+             faketty ./vmlinux vec0:transport=tap,ifname=tap100,depth=128,gro=1 mem=1024m \
+               root=/dev/root rootflags=`pwd`/rootfs rootfstype=hostfs rw \
+               loglevel=0 console=tty init=/root/iperf3.sh \
+               | tee output/${{ matrix.testname }}-seccomp-iperf3.dat
+             faketty ./vmlinux vec0:transport=tap,ifname=tap100,depth=128,gro=1 mem=1024m \
+               root=/dev/root rootflags=`pwd`/rootfs rootfstype=hostfs rw \
+               loglevel=0 console=tty zpoline=1 init=/root/iperf3.sh \
+               | tee output/${{ matrix.testname }}-zpoline-iperf3.dat
              faketty ./build/vmlinux vec0:transport=tap,ifname=tap100,depth=128,gro=1 mem=1024m \
                root=/dev/root rootflags=`pwd`/rootfs rootfstype=hostfs rw \
                loglevel=0 console=tty init=/root/iperf3.sh \