diff --git a/src/core/Benchmark.cpp b/src/core/Benchmark.cpp
index f83546b6..549af7ea 100644
--- a/src/core/Benchmark.cpp
+++ b/src/core/Benchmark.cpp
@@ -121,7 +121,7 @@ float Benchmark::get_algo_perf(Algorithm::Id algo) const {
 // start performance measurements for specified perf bench_algo
 void Benchmark::start(const BenchAlgo bench_algo) {
     // prepare test job for benchmark runs ("benchmark" client id is to make sure we can detect benchmark jobs)
-    Job job(false, Algorithm(ba2a[bench_algo]), "benchmark");
+    static Job job(false, Algorithm(ba2a[bench_algo]), "benchmark");
     job.setId(Algorithm(ba2a[bench_algo]).shortName()); // need to set different id so that workers will see job change
     // 99 here to trigger all future bench_algo versions for auto veriant detection based on block version
     job.setBlob("9905A0DBD6BF05CF16E503F3A66F78007CBF34144332ECBFC22ED95C8700383B309ACE1923A0964B00000008BA939A62724C0D7581FCE5761E9D8A0E6A1C3F924FDD8493D1115649C05EB601");