diff --git a/log.h b/log.h
index b0dde74..2cc0a53 100644
--- a/log.h
+++ b/log.h
@@ -46,7 +46,7 @@ extern int log_level[L_MAX];
 extern int log_init(const char *fname, const char *debug);
 extern void log_err(int level, enum _log_facility facility, char *fname, int lineno, char *fmt, ...);
 
-#define DPRINTF(level, facility, fmt, arg...) { log_err(level, facility, __FILE__, __LINE__, fmt, ##arg); }
+#define DPRINTF(level, facility, fmt, arg...) do { log_err(level, facility, __FILE__, __LINE__, fmt, ##arg); } while (0)
 
 
 #endif /* __ERR_H__ */