--- /dev/null
+--- a/include/syslog.h
++++ b/include/syslog.h
+@@ -21,7 +21,7 @@ extern "C" {
+ #define LOG_MAKEPRI(f, p) (((f)<<3)|(p))
+
+ #define LOG_MASK(p) (1<<(p))
+-#define LOG_UPTO(p) ((1<<(p)+1)-1)
++#define LOG_UPTO(p) ((1<<((p)+1))-1)
+
+ #define LOG_KERN (0<<3)
+ #define LOG_USER (1<<3)