diff --git a/app/test/test_thash_perf.c b/app/test/test_thash_perf.c
index 7aa9360120..687582aa32 100644
--- a/app/test/test_thash_perf.c
+++ b/app/test/test_thash_perf.c
@@ -61,6 +61,9 @@ run_rss_calc(uint32_t *tuples[BATCH_SZ], enum test_rss_type type, int len,
 	}
 	end_tsc = rte_rdtsc_precise();
 
+	/* To avoid compiler warnings set hash to used. */
+	RTE_SET_USED(hash);
+
 	return end_tsc - start_tsc;
 }