diff --git a/benchmarks/bm_mypy2/run_benchmark.py b/benchmarks/bm_mypy2/run_benchmark.py
index 535b9af..9fcfc4f 100644
--- a/benchmarks/bm_mypy2/run_benchmark.py
+++ b/benchmarks/bm_mypy2/run_benchmark.py
@@ -40,7 +40,7 @@ def _bench_mypy(loops=20, *, legacy=False):
     elapsed = 0
     times = []
     with open(os.devnull, "w") as devnull:
-        for i in range(loops):
+        for i in range(loops + 1):
             # This is a macro benchmark for a Python implementation
             # so "elapsed" covers more than just how long main() takes.
             t0 = pyperf.perf_counter()
@@ -53,7 +53,7 @@ def _bench_mypy(loops=20, *, legacy=False):
             # Don't include results from the first run, since it loads the
             # files from disk. Subsequent runs will use the file contents in an
             # in-memory cache.
-            if i > 1:
+            if i > 0:
                 elapsed += t1 - t0
                 times.append(t0)
         times.append(pyperf.perf_counter())