diff --git a/tests/auto/corelib/thread/qsemaphore/BLACKLIST b/tests/auto/corelib/thread/qsemaphore/BLACKLIST
index 06ae815f295..c198b902533 100644
--- a/tests/auto/corelib/thread/qsemaphore/BLACKLIST
+++ b/tests/auto/corelib/thread/qsemaphore/BLACKLIST
@@ -1,4 +1,5 @@
 [tryAcquireWithTimeout:0.2s]
 windows
+osx-10.12
 [tryAcquireWithTimeout:2s]
 windows