diff --git a/src/basic/log.h b/src/basic/log.h
index 52fd58d5b48..b3d32abfc84 100644
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -216,7 +216,7 @@ int log_emergency_level(void);
 #define log_error_errno(error, ...)     log_full_errno(LOG_ERR,     error, __VA_ARGS__)
 #define log_emergency_errno(error, ...) log_full_errno(log_emergency_level(), error, __VA_ARGS__)
 
-#ifdef LOG_TRACE
+#if LOG_TRACE
 #  define log_trace(...) log_debug(__VA_ARGS__)
 #else
 #  define log_trace(...) do {} while (0)