1 files changed, 1 insertions, 1 deletions
diff --git a/src/util.c b/src/util.c
index 881a7fd..5b8175b 100644
--- a/src/util.c
+++ b/src/util.c
@@ -49,7 +49,7 @@ static void
 wrtmessage(void *cbopaque, const char *s)
 {
 
-#ifdef SYS_write
+#if defined(JEMALLOC_HAVE_SYSCALL) && defined(SYS_write)
 	/*
 	 * Use syscall(2) rather than write(2) when possible in order to avoid
 	 * the possibility of memory allocation within libc.  This is necessary