diff --git a/tests/virt_autotest/kubevirt_tests_server.pm b/tests/virt_autotest/kubevirt_tests_server.pm
index 94f592c8033c..33f8838bab5a 100644
--- a/tests/virt_autotest/kubevirt_tests_server.pm
+++ b/tests/virt_autotest/kubevirt_tests_server.pm
@@ -489,7 +489,7 @@ EOF
     # Workaround for bsc#1199448
     my $node_helper = 'node-helper.yaml';
     assert_script_run("curl " . data_url("virt_autotest/kubevirt_tests/$node_helper") . " -o $node_helper");
-    assert_script_run("sed -e \"s/$kubevirt_ver/\${KUBEVIRT_VERSION}/g\"");
+    assert_script_run("sed -i 's/\${KUBEVIRT_VERSION}/$kubevirt_ver/g' $node_helper");
     assert_script_run("kubectl apply -f $node_helper");
     assert_script_run("kubectl -n kubevirt-tests rollout status daemonset node-helper --timeout=50m");