musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
index 219bf006..12f8ccfc 100644
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h

@@ -82,7 +82,7 @@ struct __timer {

#define SIGSYSCALL 34

#define SIGPT_SET ((sigset_t *)(unsigned long [1+(sizeof(long)==4)]){ \

- [sizeof(long)==4] = 3<<(32*(sizeof(long)>4)) })

+ [sizeof(long)==4] = 3UL<<(32*(sizeof(long)>4)) })

#define SIGTIMER_SET ((sigset_t *)(unsigned long [1+(sizeof(long)==4)]){ \

0x80000000 })