diff --git a/mesonbuild/mtest.py b/mesonbuild/mtest.py
index 252e39ba4..484f4325d 100644
--- a/mesonbuild/mtest.py
+++ b/mesonbuild/mtest.py
@@ -480,7 +480,7 @@ class ConsoleLogger(TestLogger):
         self.running_tests.remove(result)
         if not harness.options.quiet or not result.res.is_ok():
             self.clear_progress()
-            print(harness.format(result, mlog.colorize_console()))
+            print(harness.format(result, mlog.colorize_console()), flush=True)
         self.request_update()
 
     async def finish(self, harness: 'TestHarness') -> None: