diff --git a/ipmitool/lib/log.c b/ipmitool/lib/log.c
index b8fa561..39421d9 100644
--- a/ipmitool/lib/log.c
+++ b/ipmitool/lib/log.c
@@ -104,7 +104,7 @@ void log_init(const char * name, int isdaemon, int verbose)
 	if (logpriv)
 		return;
 
-	logpriv = malloc(sizeof(*logpriv));
+	logpriv = malloc(sizeof(struct logpriv_s));
 	if (!logpriv)
 		return;