diff --git a/autoninja.py b/autoninja.py
index 7f100d1e5..008777bae 100755
--- a/autoninja.py
+++ b/autoninja.py
@@ -166,11 +166,11 @@ def main(args):
 
         siso_marker = os.path.join(output_dir, '.siso_deps')
         if use_siso:
-            ninja_marker = os.path.join(output_dir, '.ninja_log')
             # autosiso generates a .ninja_log file so the mere existence of a
             # .ninja_log file doesn't imply that a ninja build was done. However
             # if there is a .ninja_log but no .siso_deps then that implies a
             # ninja build.
+            ninja_marker = os.path.join(output_dir, '.ninja_log')
             if os.path.exists(ninja_marker) and not os.path.exists(siso_marker):
                 print('Run gn clean before switching from ninja to siso in %s' %
                       output_dir,
diff --git a/post_build_ninja_summary.py b/post_build_ninja_summary.py
index 9f2f7f52a..c864b955f 100755
--- a/post_build_ninja_summary.py
+++ b/post_build_ninja_summary.py
@@ -117,8 +117,8 @@ def ReadTargets(log, show_all):
 
     The result is a list of Target objects."""
     header = log.readline()
-    # TODO: b/298594790 - Siso currently generates empty .ninja_log files.
-    # Handle them gracefully by silently returning an empty list of targets.
+    # Handle empty ninja_log gracefully by silently returning an empty list of
+    # targets.
     if not header:
         return []
     assert header == '# ninja log v5\n', \