diff --git a/memcheck/tests/darwin/scalar.stderr.exp b/memcheck/tests/darwin/scalar.stderr.exp
index 230809705..12960a571 100644
--- a/memcheck/tests/darwin/scalar.stderr.exp
+++ b/memcheck/tests/darwin/scalar.stderr.exp
@@ -817,6 +817,15 @@ Syscall param aio_write(aiocbp) points to unaddressable byte(s)
 (326):           unused
 -----------------------------------------------------
 -----------------------------------------------------
+x2000148(328): __NR___pthread_kill 2s 0m
+-----------------------------------------------------
+
+Syscall param __pthread_kill(thread) contains uninitialised byte(s)
+   ...
+
+Syscall param __pthread_kill(sig) contains uninitialised byte(s)
+   ...
+-----------------------------------------------------
 (335):           old utrace
 -----------------------------------------------------
 -----------------------------------------------------