diff --git a/audio/test/low_bandwidth_audio_test.py b/audio/test/low_bandwidth_audio_test.py
index 62c3adf539..b81a0476fa 100755
--- a/audio/test/low_bandwidth_audio_test.py
+++ b/audio/test/low_bandwidth_audio_test.py
@@ -55,7 +55,7 @@ def _ParseArgs():
   parser.add_argument('--android', action='store_true',
       help='Perform the test on a connected Android device instead.')
   parser.add_argument('--adb-path', help='Path to adb binary.', default='adb')
-  parser.add_argument('--num-retries', default=0,
+  parser.add_argument('--num-retries', default='0',
                       help='Number of times to retry the test on Android.')
   parser.add_argument('--isolated-script-test-perf-output',
       help='Where to store perf results in chartjson format.', default=None)
diff --git a/examples/androidtests/video_quality_loopback_test.py b/examples/androidtests/video_quality_loopback_test.py
index 66a981bd83..b95f99f341 100755
--- a/examples/androidtests/video_quality_loopback_test.py
+++ b/examples/androidtests/video_quality_loopback_test.py
@@ -86,7 +86,7 @@ def _ParseArgs():
   parser.add_argument('--temp_dir',
       help='A temporary directory to put the output.')
   parser.add_argument('--adb-path', help='Path to adb binary.', default='adb')
-  parser.add_argument('--num-retries', default=0,
+  parser.add_argument('--num-retries', default='0',
                       help='Number of times to retry the test on Android.')
   parser.add_argument('--isolated-script-test-perf-output',
       help='Where to store perf results in chartjson format.', default=None)