diff --git a/benchmark/scripts/Benchmark_Driver b/benchmark/scripts/Benchmark_Driver
index 51eca54cdbe17..63faaee6c7d0d 100755
--- a/benchmark/scripts/Benchmark_Driver
+++ b/benchmark/scripts/Benchmark_Driver
@@ -337,7 +337,7 @@ class BenchmarkDriver(object):
         driver = BenchmarkDriver(args)
         results = driver.run_and_log(csv_console=(args.output_dir is None))
         if args.output_dir:
-            driver.log_results([r.json for r in results])
+            driver.log_results([r.json() for r in results])
         return 0