1 files changed, 1 insertions, 1 deletions
diff --git a/tests/run-tests.py b/tests/run-tests.py
index d1d22a3c5..faf1d2e3b 100755
--- a/tests/run-tests.py
+++ b/tests/run-tests.py
@@ -16,7 +16,7 @@ import threading
 import tempfile
 
 # Maximum time to run a PC-based test, in seconds.
-TEST_TIMEOUT = 30
+TEST_TIMEOUT = float(os.environ.get('MICROPY_TEST_TIMEOUT', 30))
 
 # See stackoverflow.com/questions/2632199: __file__ nor sys.argv[0]
 # are guaranteed to always work, this one should though.